diff --git a/tempest/api/identity/admin/v2/test_roles.py b/tempest/api/identity/admin/v2/test_roles.py
index dd5164d..b3746f2 100644
--- a/tempest/api/identity/admin/v2/test_roles.py
+++ b/tempest/api/identity/admin/v2/test_roles.py
@@ -26,7 +26,7 @@
     def resource_setup(cls):
         super(RolesTestJSON, cls).resource_setup()
         for _ in moves.xrange(5):
-            role_name = data_utils.rand_name(name='role-')
+            role_name = data_utils.rand_name(name='role')
             role = cls.client.create_role(role_name)
             cls.data.roles.append(role)
 
@@ -58,7 +58,7 @@
     @test.idempotent_id('c62d909d-6c21-48c0-ae40-0a0760e6db5e')
     def test_role_create_delete(self):
         """Role should be created, verified, and deleted."""
-        role_name = data_utils.rand_name(name='role-test-')
+        role_name = data_utils.rand_name(name='role-test')
         body = self.client.create_role(role_name)
         self.assertEqual(role_name, body['name'])
 
diff --git a/tempest/api/identity/admin/v2/test_roles_negative.py b/tempest/api/identity/admin/v2/test_roles_negative.py
index 662d1ea..5e197ec 100644
--- a/tempest/api/identity/admin/v2/test_roles_negative.py
+++ b/tempest/api/identity/admin/v2/test_roles_negative.py
@@ -58,7 +58,7 @@
     @test.idempotent_id('585c8998-a8a4-4641-a5dd-abef7a8ced00')
     def test_create_role_by_unauthorized_user(self):
         # Non-administrator user should not be able to create role
-        role_name = data_utils.rand_name(name='role-')
+        role_name = data_utils.rand_name(name='role')
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_client.create_role, role_name)
 
@@ -68,7 +68,7 @@
         # Request to create role without a valid token should fail
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
-        role_name = data_utils.rand_name(name='role-')
+        role_name = data_utils.rand_name(name='role')
         self.assertRaises(lib_exc.Unauthorized,
                           self.client.create_role, role_name)
         self.client.auth_provider.clear_auth()
@@ -77,7 +77,7 @@
     @test.idempotent_id('c0cde2c8-81c1-4bb0-8fe2-cf615a3547a8')
     def test_role_create_duplicate(self):
         # Role names should be unique
-        role_name = data_utils.rand_name(name='role-dup-')
+        role_name = data_utils.rand_name(name='role-dup')
         body = self.client.create_role(role_name)
         role1_id = body.get('id')
         self.addCleanup(self.client.delete_role, role1_id)
@@ -88,7 +88,7 @@
     @test.idempotent_id('15347635-b5b1-4a87-a280-deb2bd6d865e')
     def test_delete_role_by_unauthorized_user(self):
         # Non-administrator user should not be able to delete role
-        role_name = data_utils.rand_name(name='role-')
+        role_name = data_utils.rand_name(name='role')
         body = self.client.create_role(role_name)
         self.data.roles.append(body)
         role_id = body.get('id')
@@ -99,7 +99,7 @@
     @test.idempotent_id('44b60b20-70de-4dac-beaf-a3fc2650a16b')
     def test_delete_role_request_without_token(self):
         # Request to delete role without a valid token should fail
-        role_name = data_utils.rand_name(name='role-')
+        role_name = data_utils.rand_name(name='role')
         body = self.client.create_role(role_name)
         self.data.roles.append(body)
         role_id = body.get('id')
diff --git a/tempest/api/identity/admin/v2/test_services.py b/tempest/api/identity/admin/v2/test_services.py
index 0759ec5..326c78b 100644
--- a/tempest/api/identity/admin/v2/test_services.py
+++ b/tempest/api/identity/admin/v2/test_services.py
@@ -35,9 +35,9 @@
     def test_create_get_delete_service(self):
         # GET Service
         # Creating a Service
-        name = data_utils.rand_name('service-')
-        type = data_utils.rand_name('type--')
-        description = data_utils.rand_name('description-')
+        name = data_utils.rand_name('service')
+        type = data_utils.rand_name('type')
+        description = data_utils.rand_name('description')
         service_data = self.client.create_service(
             name, type, description=description)
         self.assertFalse(service_data['id'] is None)
@@ -67,8 +67,8 @@
     @test.idempotent_id('5d3252c8-e555-494b-a6c8-e11d7335da42')
     def test_create_service_without_description(self):
         # Create a service only with name and type
-        name = data_utils.rand_name('service-')
-        type = data_utils.rand_name('type--')
+        name = data_utils.rand_name('service')
+        type = data_utils.rand_name('type')
         service = self.client.create_service(name, type)
         self.assertIn('id', service)
         self.addCleanup(self._del_service, service['id'])
@@ -83,9 +83,9 @@
         # Create, List, Verify and Delete Services
         services = []
         for _ in moves.xrange(3):
-            name = data_utils.rand_name('service-')
-            type = data_utils.rand_name('type--')
-            description = data_utils.rand_name('description-')
+            name = data_utils.rand_name('service')
+            type = data_utils.rand_name('type')
+            description = data_utils.rand_name('description')
             service = self.client.create_service(
                 name, type, description=description)
             services.append(service)
diff --git a/tempest/api/identity/admin/v2/test_tenant_negative.py b/tempest/api/identity/admin/v2/test_tenant_negative.py
index 8fd1f5a..3ee412b 100644
--- a/tempest/api/identity/admin/v2/test_tenant_negative.py
+++ b/tempest/api/identity/admin/v2/test_tenant_negative.py
@@ -44,7 +44,7 @@
     @test.idempotent_id('162ba316-f18b-4987-8c0c-fd9140cd63ed')
     def test_tenant_delete_by_unauthorized_user(self):
         # Non-administrator user should not be able to delete a tenant
-        tenant_name = data_utils.rand_name(name='tenant-')
+        tenant_name = data_utils.rand_name(name='tenant')
         tenant = self.client.create_tenant(tenant_name)
         self.data.tenants.append(tenant)
         self.assertRaises(lib_exc.Forbidden,
@@ -54,7 +54,7 @@
     @test.idempotent_id('e450db62-2e9d-418f-893a-54772d6386b1')
     def test_tenant_delete_request_without_token(self):
         # Request to delete a tenant without a valid token should fail
-        tenant_name = data_utils.rand_name(name='tenant-')
+        tenant_name = data_utils.rand_name(name='tenant')
         tenant = self.client.create_tenant(tenant_name)
         self.data.tenants.append(tenant)
         token = self.client.auth_provider.get_token()
@@ -74,7 +74,7 @@
     @test.idempotent_id('af16f44b-a849-46cb-9f13-a751c388f739')
     def test_tenant_create_duplicate(self):
         # Tenant names should be unique
-        tenant_name = data_utils.rand_name(name='tenant-')
+        tenant_name = data_utils.rand_name(name='tenant')
         body = self.client.create_tenant(tenant_name)
         tenant = body
         self.data.tenants.append(tenant)
@@ -89,7 +89,7 @@
     @test.idempotent_id('d26b278a-6389-4702-8d6e-5980d80137e0')
     def test_create_tenant_by_unauthorized_user(self):
         # Non-administrator user should not be authorized to create a tenant
-        tenant_name = data_utils.rand_name(name='tenant-')
+        tenant_name = data_utils.rand_name(name='tenant')
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_client.create_tenant, tenant_name)
 
@@ -97,7 +97,7 @@
     @test.idempotent_id('a3ee9d7e-6920-4dd5-9321-d4b2b7f0a638')
     def test_create_tenant_request_without_token(self):
         # Create tenant request without a token should not be authorized
-        tenant_name = data_utils.rand_name(name='tenant-')
+        tenant_name = data_utils.rand_name(name='tenant')
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
         self.assertRaises(lib_exc.Unauthorized, self.client.create_tenant,
@@ -130,7 +130,7 @@
     @test.idempotent_id('41704dc5-c5f7-4f79-abfa-76e6fedc570b')
     def test_tenant_update_by_unauthorized_user(self):
         # Non-administrator user should not be able to update a tenant
-        tenant_name = data_utils.rand_name(name='tenant-')
+        tenant_name = data_utils.rand_name(name='tenant')
         tenant = self.client.create_tenant(tenant_name)
         self.data.tenants.append(tenant)
         self.assertRaises(lib_exc.Forbidden,
@@ -140,7 +140,7 @@
     @test.idempotent_id('7a421573-72c7-4c22-a98e-ce539219c657')
     def test_tenant_update_request_without_token(self):
         # Request to update a tenant without a valid token should fail
-        tenant_name = data_utils.rand_name(name='tenant-')
+        tenant_name = data_utils.rand_name(name='tenant')
         tenant = self.client.create_tenant(tenant_name)
         self.data.tenants.append(tenant)
         token = self.client.auth_provider.get_token()
diff --git a/tempest/api/identity/admin/v2/test_tenants.py b/tempest/api/identity/admin/v2/test_tenants.py
index 0be25a9..5dba65a 100644
--- a/tempest/api/identity/admin/v2/test_tenants.py
+++ b/tempest/api/identity/admin/v2/test_tenants.py
@@ -49,8 +49,8 @@
     @test.idempotent_id('d25e9f24-1310-4d29-b61b-d91299c21d6d')
     def test_tenant_create_with_description(self):
         # Create tenant with a description
-        tenant_name = data_utils.rand_name(name='tenant-')
-        tenant_desc = data_utils.rand_name(name='desc-')
+        tenant_name = data_utils.rand_name(name='tenant')
+        tenant_desc = data_utils.rand_name(name='desc')
         body = self.client.create_tenant(tenant_name,
                                          description=tenant_desc)
         tenant = body
@@ -70,7 +70,7 @@
     @test.idempotent_id('670bdddc-1cd7-41c7-b8e2-751cfb67df50')
     def test_tenant_create_enabled(self):
         # Create a tenant that is enabled
-        tenant_name = data_utils.rand_name(name='tenant-')
+        tenant_name = data_utils.rand_name(name='tenant')
         body = self.client.create_tenant(tenant_name, enabled=True)
         tenant = body
         self.data.tenants.append(tenant)
@@ -87,7 +87,7 @@
     @test.idempotent_id('3be22093-b30f-499d-b772-38340e5e16fb')
     def test_tenant_create_not_enabled(self):
         # Create a tenant that is not enabled
-        tenant_name = data_utils.rand_name(name='tenant-')
+        tenant_name = data_utils.rand_name(name='tenant')
         body = self.client.create_tenant(tenant_name, enabled=False)
         tenant = body
         self.data.tenants.append(tenant)
@@ -106,7 +106,7 @@
     @test.idempotent_id('781f2266-d128-47f3-8bdb-f70970add238')
     def test_tenant_update_name(self):
         # Update name attribute of a tenant
-        t_name1 = data_utils.rand_name(name='tenant-')
+        t_name1 = data_utils.rand_name(name='tenant')
         body = self.client.create_tenant(t_name1)
         tenant = body
         self.data.tenants.append(tenant)
@@ -114,7 +114,7 @@
         t_id = body['id']
         resp1_name = body['name']
 
-        t_name2 = data_utils.rand_name(name='tenant2-')
+        t_name2 = data_utils.rand_name(name='tenant2')
         body = self.client.update_tenant(t_id, name=t_name2)
         resp2_name = body['name']
         self.assertNotEqual(resp1_name, resp2_name)
@@ -133,8 +133,8 @@
     @test.idempotent_id('859fcfe1-3a03-41ef-86f9-b19a47d1cd87')
     def test_tenant_update_desc(self):
         # Update description attribute of a tenant
-        t_name = data_utils.rand_name(name='tenant-')
-        t_desc = data_utils.rand_name(name='desc-')
+        t_name = data_utils.rand_name(name='tenant')
+        t_desc = data_utils.rand_name(name='desc')
         body = self.client.create_tenant(t_name, description=t_desc)
         tenant = body
         self.data.tenants.append(tenant)
@@ -142,7 +142,7 @@
         t_id = body['id']
         resp1_desc = body['description']
 
-        t_desc2 = data_utils.rand_name(name='desc2-')
+        t_desc2 = data_utils.rand_name(name='desc2')
         body = self.client.update_tenant(t_id, description=t_desc2)
         resp2_desc = body['description']
         self.assertNotEqual(resp1_desc, resp2_desc)
@@ -161,7 +161,7 @@
     @test.idempotent_id('8fc8981f-f12d-4c66-9972-2bdcf2bc2e1a')
     def test_tenant_update_enable(self):
         # Update the enabled attribute of a tenant
-        t_name = data_utils.rand_name(name='tenant-')
+        t_name = data_utils.rand_name(name='tenant')
         t_en = False
         body = self.client.create_tenant(t_name, enabled=t_en)
         tenant = body
diff --git a/tempest/api/identity/admin/v2/test_tokens.py b/tempest/api/identity/admin/v2/test_tokens.py
index 29ba1de..860e5af 100644
--- a/tempest/api/identity/admin/v2/test_tokens.py
+++ b/tempest/api/identity/admin/v2/test_tokens.py
@@ -25,10 +25,10 @@
     @test.idempotent_id('453ad4d5-e486-4b2f-be72-cffc8149e586')
     def test_create_get_delete_token(self):
         # get a token by username and password
-        user_name = data_utils.rand_name(name='user-')
-        user_password = data_utils.rand_name(name='pass-')
+        user_name = data_utils.rand_name(name='user')
+        user_password = data_utils.rand_name(name='pass')
         # first:create a tenant
-        tenant_name = data_utils.rand_name(name='tenant-')
+        tenant_name = data_utils.rand_name(name='tenant')
         tenant = self.client.create_tenant(tenant_name)
         self.data.tenants.append(tenant)
         # second:create a user
@@ -60,8 +60,8 @@
         """
 
         # Create a user.
-        user_name = data_utils.rand_name(name='user-')
-        user_password = data_utils.rand_name(name='pass-')
+        user_name = data_utils.rand_name(name='user')
+        user_password = data_utils.rand_name(name='pass')
         tenant_id = None  # No default tenant so will get unscoped token.
         email = ''
         user = self.client.create_user(user_name, user_password,
@@ -69,16 +69,16 @@
         self.data.users.append(user)
 
         # Create a couple tenants.
-        tenant1_name = data_utils.rand_name(name='tenant-')
+        tenant1_name = data_utils.rand_name(name='tenant')
         tenant1 = self.client.create_tenant(tenant1_name)
         self.data.tenants.append(tenant1)
 
-        tenant2_name = data_utils.rand_name(name='tenant-')
+        tenant2_name = data_utils.rand_name(name='tenant')
         tenant2 = self.client.create_tenant(tenant2_name)
         self.data.tenants.append(tenant2)
 
         # Create a role
-        role_name = data_utils.rand_name(name='role-')
+        role_name = data_utils.rand_name(name='role')
         role = self.client.create_role(role_name)
         self.data.roles.append(role)
 
diff --git a/tempest/api/identity/admin/v2/test_users.py b/tempest/api/identity/admin/v2/test_users.py
index 2ca5595..f47f985 100644
--- a/tempest/api/identity/admin/v2/test_users.py
+++ b/tempest/api/identity/admin/v2/test_users.py
@@ -25,8 +25,8 @@
     @classmethod
     def resource_setup(cls):
         super(UsersTestJSON, cls).resource_setup()
-        cls.alt_user = data_utils.rand_name('test_user_')
-        cls.alt_password = data_utils.rand_name('pass_')
+        cls.alt_user = data_utils.rand_name('test_user')
+        cls.alt_password = data_utils.rand_name('pass')
         cls.alt_email = cls.alt_user + '@testmail.tm'
 
     @test.attr(type='smoke')
@@ -45,7 +45,7 @@
     def test_create_user_with_enabled(self):
         # Create a user with enabled : False
         self.data.setup_test_tenant()
-        name = data_utils.rand_name('test_user_')
+        name = data_utils.rand_name('test_user')
         user = self.client.create_user(name, self.alt_password,
                                        self.data.tenant['id'],
                                        self.alt_email, enabled=False)
@@ -58,7 +58,7 @@
     @test.idempotent_id('39d05857-e8a5-4ed4-ba83-0b52d3ab97ee')
     def test_update_user(self):
         # Test case to check if updating of user attributes is successful.
-        test_user = data_utils.rand_name('test_user_')
+        test_user = data_utils.rand_name('test_user')
         self.data.setup_test_tenant()
         user = self.client.create_user(test_user, self.alt_password,
                                        self.data.tenant['id'],
@@ -66,7 +66,7 @@
         # Delete the User at the end of this method
         self.addCleanup(self.client.delete_user, user['id'])
         # Updating user details with new values
-        u_name2 = data_utils.rand_name('user2-')
+        u_name2 = data_utils.rand_name('user2')
         u_email2 = u_name2 + '@testmail.tm'
         update_user = self.client.update_user(user['id'], name=u_name2,
                                               email=u_email2,
@@ -85,7 +85,7 @@
     @test.idempotent_id('29ed26f4-a74e-4425-9a85-fdb49fa269d2')
     def test_delete_user(self):
         # Delete a user
-        test_user = data_utils.rand_name('test_user_')
+        test_user = data_utils.rand_name('test_user')
         self.data.setup_test_tenant()
         user = self.client.create_user(test_user, self.alt_password,
                                        self.data.tenant['id'],
@@ -139,14 +139,14 @@
         self.data.setup_test_tenant()
         user_ids = list()
         fetched_user_ids = list()
-        alt_tenant_user1 = data_utils.rand_name('tenant_user1_')
+        alt_tenant_user1 = data_utils.rand_name('tenant_user1')
         user1 = self.client.create_user(alt_tenant_user1, 'password1',
                                         self.data.tenant['id'],
                                         'user1@123')
         user_ids.append(user1['id'])
         self.data.users.append(user1)
 
-        alt_tenant_user2 = data_utils.rand_name('tenant_user2_')
+        alt_tenant_user2 = data_utils.rand_name('tenant_user2')
         user2 = self.client.create_user(alt_tenant_user2, 'password2',
                                         self.data.tenant['id'],
                                         'user2@123')
@@ -179,7 +179,7 @@
         role = self.client.assign_user_role(tenant['id'], user['id'],
                                             role['id'])
 
-        alt_user2 = data_utils.rand_name('second_user_')
+        alt_user2 = data_utils.rand_name('second_user')
         second_user = self.client.create_user(alt_user2, 'password1',
                                               self.data.tenant['id'],
                                               'user2@123')
@@ -205,7 +205,7 @@
         # Test case to check if updating of user password is successful.
         self.data.setup_test_user()
         # Updating the user with new password
-        new_pass = data_utils.rand_name('pass-')
+        new_pass = data_utils.rand_name('pass')
         update_user = self.client.update_user_password(
             self.data.user['id'], new_pass)
         self.assertEqual(update_user['id'], self.data.user['id'])
diff --git a/tempest/api/identity/admin/v2/test_users_negative.py b/tempest/api/identity/admin/v2/test_users_negative.py
index 387b714..dcf5565 100644
--- a/tempest/api/identity/admin/v2/test_users_negative.py
+++ b/tempest/api/identity/admin/v2/test_users_negative.py
@@ -27,8 +27,8 @@
     @classmethod
     def resource_setup(cls):
         super(UsersNegativeTestJSON, cls).resource_setup()
-        cls.alt_user = data_utils.rand_name('test_user_')
-        cls.alt_password = data_utils.rand_name('pass_')
+        cls.alt_user = data_utils.rand_name('test_user')
+        cls.alt_password = data_utils.rand_name('pass')
         cls.alt_email = cls.alt_user + '@testmail.tm'
 
     @test.attr(type=['negative', 'gate'])
@@ -97,7 +97,7 @@
     def test_create_user_with_enabled_non_bool(self):
         # Attempt to create a user with valid enabled para should fail
         self.data.setup_test_tenant()
-        name = data_utils.rand_name('test_user_')
+        name = data_utils.rand_name('test_user')
         self.assertRaises(lib_exc.BadRequest, self.client.create_user,
                           name, self.alt_password,
                           self.data.tenant['id'],
@@ -107,7 +107,7 @@
     @test.idempotent_id('3d07e294-27a0-4144-b780-a2a1bf6fee19')
     def test_update_user_for_non_existent_user(self):
         # Attempt to update a user non-existent user should fail
-        user_name = data_utils.rand_name('user-')
+        user_name = data_utils.rand_name('user')
         non_existent_id = str(uuid.uuid4())
         self.assertRaises(lib_exc.NotFound, self.client.update_user,
                           non_existent_id, name=user_name)
diff --git a/tempest/api/identity/admin/v3/test_credentials.py b/tempest/api/identity/admin/v3/test_credentials.py
index c427615..9bad8e0 100644
--- a/tempest/api/identity/admin/v3/test_credentials.py
+++ b/tempest/api/identity/admin/v3/test_credentials.py
@@ -27,14 +27,14 @@
         cls.projects = list()
         cls.creds_list = [['project_id', 'user_id', 'id'],
                           ['access', 'secret']]
-        u_name = data_utils.rand_name('user-')
+        u_name = data_utils.rand_name('user')
         u_desc = '%s description' % u_name
         u_email = '%s@testmail.tm' % u_name
-        u_password = data_utils.rand_name('pass-')
+        u_password = data_utils.rand_name('pass')
         for i in range(2):
             cls.project = cls.client.create_project(
-                data_utils.rand_name('project-'),
-                description=data_utils.rand_name('project-desc-'))
+                data_utils.rand_name('project'),
+                description=data_utils.rand_name('project-desc'))
             cls.projects.append(cls.project['id'])
 
         cls.user_body = cls.client.create_user(
@@ -54,8 +54,8 @@
     @test.attr(type='smoke')
     @test.idempotent_id('7cd59bf9-bda4-4c72-9467-d21cab278355')
     def test_credentials_create_get_update_delete(self):
-        keys = [data_utils.rand_name('Access-'),
-                data_utils.rand_name('Secret-')]
+        keys = [data_utils.rand_name('Access'),
+                data_utils.rand_name('Secret')]
         cred = self.creds_client.create_credential(
             keys[0], keys[1], self.user_body['id'],
             self.projects[0])
@@ -65,8 +65,8 @@
         for value2 in self.creds_list[1]:
             self.assertIn(value2, cred['blob'])
 
-        new_keys = [data_utils.rand_name('NewAccess-'),
-                    data_utils.rand_name('NewSecret-')]
+        new_keys = [data_utils.rand_name('NewAccess'),
+                    data_utils.rand_name('NewSecret')]
         update_body = self.creds_client.update_credential(
             cred['id'], access_key=new_keys[0], secret_key=new_keys[1],
             project_id=self.projects[1])
@@ -92,8 +92,8 @@
 
         for i in range(2):
             cred = self.creds_client.create_credential(
-                data_utils.rand_name('Access-'),
-                data_utils.rand_name('Secret-'),
+                data_utils.rand_name('Access'),
+                data_utils.rand_name('Secret'),
                 self.user_body['id'], self.projects[0])
             created_cred_ids.append(cred['id'])
             self.addCleanup(self._delete_credential, cred['id'])
diff --git a/tempest/api/identity/admin/v3/test_domains.py b/tempest/api/identity/admin/v3/test_domains.py
index 1f6e651..c6d379c 100644
--- a/tempest/api/identity/admin/v3/test_domains.py
+++ b/tempest/api/identity/admin/v3/test_domains.py
@@ -35,8 +35,8 @@
         fetched_ids = list()
         for _ in range(3):
             domain = self.client.create_domain(
-                data_utils.rand_name('domain-'),
-                description=data_utils.rand_name('domain-desc-'))
+                data_utils.rand_name('domain'),
+                description=data_utils.rand_name('domain-desc'))
             # Delete the domain at the end of this method
             self.addCleanup(self._delete_domain, domain['id'])
             domain_ids.append(domain['id'])
@@ -50,8 +50,8 @@
     @test.attr(type='smoke')
     @test.idempotent_id('f2f5b44a-82e8-4dad-8084-0661ea3b18cf')
     def test_create_update_delete_domain(self):
-        d_name = data_utils.rand_name('domain-')
-        d_desc = data_utils.rand_name('domain-desc-')
+        d_name = data_utils.rand_name('domain')
+        d_desc = data_utils.rand_name('domain-desc')
         domain = self.client.create_domain(
             d_name, description=d_desc)
         self.addCleanup(self._delete_domain, domain['id'])
@@ -64,8 +64,8 @@
         self.assertEqual(d_name, domain['name'])
         self.assertEqual(d_desc, domain['description'])
         self.assertEqual(True, domain['enabled'])
-        new_desc = data_utils.rand_name('new-desc-')
-        new_name = data_utils.rand_name('new-name-')
+        new_desc = data_utils.rand_name('new-desc')
+        new_name = data_utils.rand_name('new-name')
 
         updated_domain = self.client.update_domain(
             domain['id'], name=new_name, description=new_desc)
@@ -88,8 +88,8 @@
     @test.idempotent_id('036df86e-bb5d-42c0-a7c2-66b9db3a6046')
     def test_create_domain_with_disabled_status(self):
         # Create domain with enabled status as false
-        d_name = data_utils.rand_name('domain-')
-        d_desc = data_utils.rand_name('domain-desc-')
+        d_name = data_utils.rand_name('domain')
+        d_desc = data_utils.rand_name('domain-desc')
         domain = self.client.create_domain(
             d_name, description=d_desc, enabled=False)
         self.addCleanup(self.client.delete_domain, domain['id'])
diff --git a/tempest/api/identity/admin/v3/test_endpoints.py b/tempest/api/identity/admin/v3/test_endpoints.py
index c683f59..2d8c04f 100644
--- a/tempest/api/identity/admin/v3/test_endpoints.py
+++ b/tempest/api/identity/admin/v3/test_endpoints.py
@@ -31,9 +31,9 @@
     def resource_setup(cls):
         super(EndPointsTestJSON, cls).resource_setup()
         cls.service_ids = list()
-        s_name = data_utils.rand_name('service-')
-        s_type = data_utils.rand_name('type--')
-        s_description = data_utils.rand_name('description-')
+        s_name = data_utils.rand_name('service')
+        s_type = data_utils.rand_name('type')
+        s_description = data_utils.rand_name('description')
         cls.service_data =\
             cls.service_client.create_service(s_name, s_type,
                                               description=s_description)
@@ -107,9 +107,9 @@
                                         enabled=True)
         self.addCleanup(self.client.delete_endpoint, endpoint_for_update['id'])
         # Creating service so as update endpoint with new service ID
-        s_name = data_utils.rand_name('service-')
-        s_type = data_utils.rand_name('type--')
-        s_description = data_utils.rand_name('description-')
+        s_name = data_utils.rand_name('service')
+        s_type = data_utils.rand_name('type')
+        s_description = data_utils.rand_name('description')
         service2 =\
             self.service_client.create_service(s_name, s_type,
                                                description=s_description)
diff --git a/tempest/api/identity/admin/v3/test_endpoints_negative.py b/tempest/api/identity/admin/v3/test_endpoints_negative.py
index e2b7edc..8b85566 100644
--- a/tempest/api/identity/admin/v3/test_endpoints_negative.py
+++ b/tempest/api/identity/admin/v3/test_endpoints_negative.py
@@ -33,9 +33,9 @@
     def resource_setup(cls):
         super(EndpointsNegativeTestJSON, cls).resource_setup()
         cls.service_ids = list()
-        s_name = data_utils.rand_name('service-')
-        s_type = data_utils.rand_name('type--')
-        s_description = data_utils.rand_name('description-')
+        s_name = data_utils.rand_name('service')
+        s_type = data_utils.rand_name('type')
+        s_description = data_utils.rand_name('description')
         cls.service_data = (
             cls.service_client.create_service(s_name, s_type,
                                               description=s_description))
diff --git a/tempest/api/identity/admin/v3/test_groups.py b/tempest/api/identity/admin/v3/test_groups.py
index 98d1846..b366d1e 100644
--- a/tempest/api/identity/admin/v3/test_groups.py
+++ b/tempest/api/identity/admin/v3/test_groups.py
@@ -75,13 +75,13 @@
     def test_list_user_groups(self):
         # create a user
         user = self.client.create_user(
-            data_utils.rand_name('User-'),
-            password=data_utils.rand_name('Pass-'))
+            data_utils.rand_name('User'),
+            password=data_utils.rand_name('Pass'))
         self.addCleanup(self.client.delete_user, user['id'])
         # create two groups, and add user into them
         groups = []
         for i in range(2):
-            name = data_utils.rand_name('Group-')
+            name = data_utils.rand_name('Group')
             group = self.client.create_group(name)
             groups.append(group)
             self.addCleanup(self.client.delete_group, group['id'])
diff --git a/tempest/api/identity/admin/v3/test_policies.py b/tempest/api/identity/admin/v3/test_policies.py
index 63d2b0d..bad56f4 100644
--- a/tempest/api/identity/admin/v3/test_policies.py
+++ b/tempest/api/identity/admin/v3/test_policies.py
@@ -31,8 +31,8 @@
         policy_ids = list()
         fetched_ids = list()
         for _ in range(3):
-            blob = data_utils.rand_name('BlobName-')
-            policy_type = data_utils.rand_name('PolicyType-')
+            blob = data_utils.rand_name('BlobName')
+            policy_type = data_utils.rand_name('PolicyType')
             policy = self.policy_client.create_policy(blob,
                                                       policy_type)
             # Delete the Policy at the end of this method
@@ -49,8 +49,8 @@
     @test.idempotent_id('e544703a-2f03-4cf2-9b0f-350782fdb0d3')
     def test_create_update_delete_policy(self):
         # Test to update policy
-        blob = data_utils.rand_name('BlobName-')
-        policy_type = data_utils.rand_name('PolicyType-')
+        blob = data_utils.rand_name('BlobName')
+        policy_type = data_utils.rand_name('PolicyType')
         policy = self.policy_client.create_policy(blob, policy_type)
         self.addCleanup(self._delete_policy, policy['id'])
         self.assertIn('id', policy)
@@ -60,7 +60,7 @@
         self.assertEqual(blob, policy['blob'])
         self.assertEqual(policy_type, policy['type'])
         # Update policy
-        update_type = data_utils.rand_name('UpdatedPolicyType-')
+        update_type = data_utils.rand_name('UpdatedPolicyType')
         data = self.policy_client.update_policy(
             policy['id'], type=update_type)
         self.assertIn('type', data)
diff --git a/tempest/api/identity/admin/v3/test_projects.py b/tempest/api/identity/admin/v3/test_projects.py
index 69b1fb4..5f8b3d1 100644
--- a/tempest/api/identity/admin/v3/test_projects.py
+++ b/tempest/api/identity/admin/v3/test_projects.py
@@ -25,8 +25,8 @@
     @test.idempotent_id('0ecf465c-0dc4-4532-ab53-91ffeb74d12d')
     def test_project_create_with_description(self):
         # Create project with a description
-        project_name = data_utils.rand_name('project-')
-        project_desc = data_utils.rand_name('desc-')
+        project_name = data_utils.rand_name('project')
+        project_desc = data_utils.rand_name('desc')
         project = self.client.create_project(
             project_name, description=project_desc)
         self.data.projects.append(project)
@@ -59,7 +59,7 @@
     @test.idempotent_id('1f66dc76-50cc-4741-a200-af984509e480')
     def test_project_create_enabled(self):
         # Create a project that is enabled
-        project_name = data_utils.rand_name('project-')
+        project_name = data_utils.rand_name('project')
         project = self.client.create_project(
             project_name, enabled=True)
         self.data.projects.append(project)
@@ -74,7 +74,7 @@
     @test.idempotent_id('78f96a9c-e0e0-4ee6-a3ba-fbf6dfd03207')
     def test_project_create_not_enabled(self):
         # Create a project that is not enabled
-        project_name = data_utils.rand_name('project-')
+        project_name = data_utils.rand_name('project')
         project = self.client.create_project(
             project_name, enabled=False)
         self.data.projects.append(project)
@@ -90,13 +90,13 @@
     @test.idempotent_id('f608f368-048c-496b-ad63-d286c26dab6b')
     def test_project_update_name(self):
         # Update name attribute of a project
-        p_name1 = data_utils.rand_name('project-')
+        p_name1 = data_utils.rand_name('project')
         project = self.client.create_project(p_name1)
         self.data.projects.append(project)
 
         resp1_name = project['name']
 
-        p_name2 = data_utils.rand_name('project2-')
+        p_name2 = data_utils.rand_name('project2')
         body = self.client.update_project(project['id'], name=p_name2)
         resp2_name = body['name']
         self.assertNotEqual(resp1_name, resp2_name)
@@ -112,14 +112,14 @@
     @test.idempotent_id('f138b715-255e-4a7d-871d-351e1ef2e153')
     def test_project_update_desc(self):
         # Update description attribute of a project
-        p_name = data_utils.rand_name('project-')
-        p_desc = data_utils.rand_name('desc-')
+        p_name = data_utils.rand_name('project')
+        p_desc = data_utils.rand_name('desc')
         project = self.client.create_project(
             p_name, description=p_desc)
         self.data.projects.append(project)
         resp1_desc = project['description']
 
-        p_desc2 = data_utils.rand_name('desc2-')
+        p_desc2 = data_utils.rand_name('desc2')
         body = self.client.update_project(
             project['id'], description=p_desc2)
         resp2_desc = body['description']
@@ -136,7 +136,7 @@
     @test.idempotent_id('b6b25683-c97f-474d-a595-55d410b68100')
     def test_project_update_enable(self):
         # Update the enabled attribute of a project
-        p_name = data_utils.rand_name('project-')
+        p_name = data_utils.rand_name('project')
         p_en = False
         project = self.client.create_project(p_name, enabled=p_en)
         self.data.projects.append(project)
@@ -161,15 +161,15 @@
     def test_associate_user_to_project(self):
         # Associate a user to a project
         # Create a Project
-        p_name = data_utils.rand_name('project-')
+        p_name = data_utils.rand_name('project')
         project = self.client.create_project(p_name)
         self.data.projects.append(project)
 
         # Create a User
-        u_name = data_utils.rand_name('user-')
+        u_name = data_utils.rand_name('user')
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
-        u_password = data_utils.rand_name('pass-')
+        u_password = data_utils.rand_name('pass')
         user = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, project_id=project['id'])
diff --git a/tempest/api/identity/admin/v3/test_projects_negative.py b/tempest/api/identity/admin/v3/test_projects_negative.py
index 739bb35..2dda585 100644
--- a/tempest/api/identity/admin/v3/test_projects_negative.py
+++ b/tempest/api/identity/admin/v3/test_projects_negative.py
@@ -33,7 +33,7 @@
     @test.idempotent_id('874c3e84-d174-4348-a16b-8c01f599561b')
     def test_project_create_duplicate(self):
         # Project names should be unique
-        project_name = data_utils.rand_name('project-dup-')
+        project_name = data_utils.rand_name('project-dup')
         project = self.client.create_project(project_name)
         self.data.projects.append(project)
 
@@ -44,7 +44,7 @@
     @test.idempotent_id('8fba9de2-3e1f-4e77-812a-60cb68f8df13')
     def test_create_project_by_unauthorized_user(self):
         # Non-admin user should not be authorized to create a project
-        project_name = data_utils.rand_name('project-')
+        project_name = data_utils.rand_name('project')
         self.assertRaises(
             lib_exc.Forbidden, self.non_admin_client.create_project,
             project_name)
@@ -68,7 +68,7 @@
     @test.idempotent_id('8d68c012-89e0-4394-8d6b-ccd7196def97')
     def test_project_delete_by_unauthorized_user(self):
         # Non-admin user should not be able to delete a project
-        project_name = data_utils.rand_name('project-')
+        project_name = data_utils.rand_name('project')
         project = self.client.create_project(project_name)
         self.data.projects.append(project)
         self.assertRaises(
diff --git a/tempest/api/identity/admin/v3/test_regions.py b/tempest/api/identity/admin/v3/test_regions.py
index b5c337d..146cc65 100644
--- a/tempest/api/identity/admin/v3/test_regions.py
+++ b/tempest/api/identity/admin/v3/test_regions.py
@@ -32,7 +32,7 @@
         super(RegionsTestJSON, cls).resource_setup()
         cls.setup_regions = list()
         for i in range(2):
-            r_description = data_utils.rand_name('description-')
+            r_description = data_utils.rand_name('description')
             region = cls.client.create_region(r_description)
             cls.setup_regions.append(region)
 
@@ -50,7 +50,7 @@
     @test.attr(type='gate')
     @test.idempotent_id('56186092-82e4-43f2-b954-91013218ba42')
     def test_create_update_get_delete_region(self):
-        r_description = data_utils.rand_name('description-')
+        r_description = data_utils.rand_name('description')
         region = self.client.create_region(
             r_description, parent_region_id=self.setup_regions[0]['id'])
         self.addCleanup(self._delete_region, region['id'])
@@ -58,7 +58,7 @@
         self.assertEqual(self.setup_regions[0]['id'],
                          region['parent_region_id'])
         # Update region with new description and parent ID
-        r_alt_description = data_utils.rand_name('description-')
+        r_alt_description = data_utils.rand_name('description')
         region = self.client.update_region(
             region['id'],
             description=r_alt_description,
@@ -77,7 +77,7 @@
     def test_create_region_with_specific_id(self):
         # Create a region with a specific id
         r_region_id = data_utils.rand_uuid()
-        r_description = data_utils.rand_name('description-')
+        r_description = data_utils.rand_name('description')
         region = self.client.create_region(
             r_description, unique_region_id=r_region_id)
         self.addCleanup(self._delete_region, region['id'])
diff --git a/tempest/api/identity/admin/v3/test_roles.py b/tempest/api/identity/admin/v3/test_roles.py
index b5b1d7b..8334c18 100644
--- a/tempest/api/identity/admin/v3/test_roles.py
+++ b/tempest/api/identity/admin/v3/test_roles.py
@@ -25,30 +25,30 @@
     def resource_setup(cls):
         super(RolesV3TestJSON, cls).resource_setup()
         for _ in range(3):
-            role_name = data_utils.rand_name(name='role-')
+            role_name = data_utils.rand_name(name='role')
             role = cls.client.create_role(role_name)
             cls.data.v3_roles.append(role)
         cls.fetched_role_ids = list()
-        u_name = data_utils.rand_name('user-')
+        u_name = data_utils.rand_name('user')
         u_desc = '%s description' % u_name
         u_email = '%s@testmail.tm' % u_name
-        cls.u_password = data_utils.rand_name('pass-')
+        cls.u_password = data_utils.rand_name('pass')
         cls.domain = cls.client.create_domain(
-            data_utils.rand_name('domain-'),
-            description=data_utils.rand_name('domain-desc-'))
+            data_utils.rand_name('domain'),
+            description=data_utils.rand_name('domain-desc'))
         cls.project = cls.client.create_project(
-            data_utils.rand_name('project-'),
-            description=data_utils.rand_name('project-desc-'),
+            data_utils.rand_name('project'),
+            description=data_utils.rand_name('project-desc'),
             domain_id=cls.domain['id'])
         cls.group_body = cls.client.create_group(
-            data_utils.rand_name('Group-'), project_id=cls.project['id'],
+            data_utils.rand_name('Group'), project_id=cls.project['id'],
             domain_id=cls.domain['id'])
         cls.user_body = cls.client.create_user(
             u_name, description=u_desc, password=cls.u_password,
             email=u_email, project_id=cls.project['id'],
             domain_id=cls.domain['id'])
         cls.role = cls.client.create_role(
-            data_utils.rand_name('Role-'))
+            data_utils.rand_name('Role'))
 
     @classmethod
     def resource_cleanup(cls):
@@ -69,13 +69,13 @@
     @test.attr(type='smoke')
     @test.idempotent_id('18afc6c0-46cf-4911-824e-9989cc056c3a')
     def test_role_create_update_get_list(self):
-        r_name = data_utils.rand_name('Role-')
+        r_name = data_utils.rand_name('Role')
         role = self.client.create_role(r_name)
         self.addCleanup(self.client.delete_role, role['id'])
         self.assertIn('name', role)
         self.assertEqual(role['name'], r_name)
 
-        new_name = data_utils.rand_name('NewRole-')
+        new_name = data_utils.rand_name('NewRole')
         updated_role = self.client.update_role(new_name, role['id'])
         self.assertIn('name', updated_role)
         self.assertIn('id', updated_role)
diff --git a/tempest/api/identity/admin/v3/test_tokens.py b/tempest/api/identity/admin/v3/test_tokens.py
index 7358ce9..702e936 100644
--- a/tempest/api/identity/admin/v3/test_tokens.py
+++ b/tempest/api/identity/admin/v3/test_tokens.py
@@ -27,10 +27,10 @@
     def test_tokens(self):
         # Valid user's token is authenticated
         # Create a User
-        u_name = data_utils.rand_name('user-')
+        u_name = data_utils.rand_name('user')
         u_desc = '%s-description' % u_name
         u_email = '%s@testmail.tm' % u_name
-        u_password = data_utils.rand_name('pass-')
+        u_password = data_utils.rand_name('pass')
         user = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email)
@@ -61,22 +61,22 @@
         """
 
         # Create a user.
-        user_name = data_utils.rand_name(name='user-')
-        user_password = data_utils.rand_name(name='pass-')
+        user_name = data_utils.rand_name(name='user')
+        user_password = data_utils.rand_name(name='pass')
         user = self.client.create_user(user_name, password=user_password)
         self.addCleanup(self.client.delete_user, user['id'])
 
         # Create a couple projects
-        project1_name = data_utils.rand_name(name='project-')
+        project1_name = data_utils.rand_name(name='project')
         project1 = self.client.create_project(project1_name)
         self.addCleanup(self.client.delete_project, project1['id'])
 
-        project2_name = data_utils.rand_name(name='project-')
+        project2_name = data_utils.rand_name(name='project')
         project2 = self.client.create_project(project2_name)
         self.addCleanup(self.client.delete_project, project2['id'])
 
         # Create a role
-        role_name = data_utils.rand_name(name='role-')
+        role_name = data_utils.rand_name(name='role')
         role = self.client.create_role(role_name)
         self.addCleanup(self.client.delete_role, role['id'])
 
diff --git a/tempest/api/identity/admin/v3/test_trusts.py b/tempest/api/identity/admin/v3/test_trusts.py
index 9d3d0bc..cafd615 100644
--- a/tempest/api/identity/admin/v3/test_trusts.py
+++ b/tempest/api/identity/admin/v3/test_trusts.py
@@ -52,10 +52,10 @@
         self.assertIsNotNone(self.trustor_project_id)
 
         # Create a trustor User
-        self.trustor_username = data_utils.rand_name('user-')
+        self.trustor_username = data_utils.rand_name('user')
         u_desc = self.trustor_username + 'description'
         u_email = self.trustor_username + '@testmail.xx'
-        self.trustor_password = data_utils.rand_name('pass-')
+        self.trustor_password = data_utils.rand_name('pass')
         user = self.client.create_user(
             self.trustor_username,
             description=u_desc,
@@ -65,8 +65,8 @@
         self.trustor_user_id = user['id']
 
         # And two roles, one we'll delegate and one we won't
-        self.delegated_role = data_utils.rand_name('DelegatedRole-')
-        self.not_delegated_role = data_utils.rand_name('NotDelegatedRole-')
+        self.delegated_role = data_utils.rand_name('DelegatedRole')
+        self.not_delegated_role = data_utils.rand_name('NotDelegatedRole')
 
         role = self.client.create_role(self.delegated_role)
         self.delegated_role_id = role['id']
diff --git a/tempest/api/identity/admin/v3/test_users.py b/tempest/api/identity/admin/v3/test_users.py
index 9d9f61c..e4bfd6a 100644
--- a/tempest/api/identity/admin/v3/test_users.py
+++ b/tempest/api/identity/admin/v3/test_users.py
@@ -26,10 +26,10 @@
     def test_user_update(self):
         # Test case to check if updating of user attributes is successful.
         # Creating first user
-        u_name = data_utils.rand_name('user-')
+        u_name = data_utils.rand_name('user')
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
-        u_password = data_utils.rand_name('pass-')
+        u_password = data_utils.rand_name('pass')
         user = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, enabled=False)
@@ -37,12 +37,12 @@
         self.addCleanup(self.client.delete_user, user['id'])
         # Creating second project for updation
         project = self.client.create_project(
-            data_utils.rand_name('project-'),
-            description=data_utils.rand_name('project-desc-'))
+            data_utils.rand_name('project'),
+            description=data_utils.rand_name('project-desc'))
         # Delete the Project at the end of this method
         self.addCleanup(self.client.delete_project, project['id'])
         # Updating user details with new values
-        u_name2 = data_utils.rand_name('user2-')
+        u_name2 = data_utils.rand_name('user2')
         u_email2 = u_name2 + '@testmail.tm'
         u_description2 = u_name2 + ' description'
         update_user = self.client.update_user(
@@ -95,15 +95,15 @@
         assigned_project_ids = list()
         fetched_project_ids = list()
         u_project = self.client.create_project(
-            data_utils.rand_name('project-'),
-            description=data_utils.rand_name('project-desc-'))
+            data_utils.rand_name('project'),
+            description=data_utils.rand_name('project-desc'))
         # Delete the Project at the end of this method
         self.addCleanup(self.client.delete_project, u_project['id'])
         # Create a user.
-        u_name = data_utils.rand_name('user-')
+        u_name = data_utils.rand_name('user')
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
-        u_password = data_utils.rand_name('pass-')
+        u_password = data_utils.rand_name('pass')
         user_body = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, enabled=False, project_id=u_project['id'])
@@ -111,7 +111,7 @@
         self.addCleanup(self.client.delete_user, user_body['id'])
         # Creating Role
         role_body = self.client.create_role(
-            data_utils.rand_name('role-'))
+            data_utils.rand_name('role'))
         # Delete the Role at the end of this method
         self.addCleanup(self.client.delete_role, role_body['id'])
 
@@ -120,8 +120,8 @@
         for i in range(2):
             # Creating project so as to assign role
             project_body = self.client.create_project(
-                data_utils.rand_name('project-'),
-                description=data_utils.rand_name('project-desc-'))
+                data_utils.rand_name('project'),
+                description=data_utils.rand_name('project-desc'))
             project = self.client.get_project(project_body['id'])
             # Delete the Project at the end of this method
             self.addCleanup(self.client.delete_project, project_body['id'])
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index db6bdba..b83da3e 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -229,8 +229,8 @@
         def setup_test_user(self):
             """Set up a test user."""
             self.setup_test_tenant()
-            self.test_user = data_utils.rand_name('test_user_')
-            self.test_password = data_utils.rand_name('pass_')
+            self.test_user = data_utils.rand_name('test_user')
+            self.test_password = data_utils.rand_name('pass')
             self.test_email = self.test_user + '@testmail.tm'
             self.user = self.client.create_user(self.test_user,
                                                 self.test_password,
@@ -240,8 +240,8 @@
 
         def setup_test_tenant(self):
             """Set up a test tenant."""
-            self.test_tenant = data_utils.rand_name('test_tenant_')
-            self.test_description = data_utils.rand_name('desc_')
+            self.test_tenant = data_utils.rand_name('test_tenant')
+            self.test_description = data_utils.rand_name('desc')
             self.tenant = self.client.create_tenant(
                 name=self.test_tenant,
                 description=self.test_description)
@@ -256,8 +256,8 @@
         def setup_test_v3_user(self):
             """Set up a test v3 user."""
             self.setup_test_project()
-            self.test_user = data_utils.rand_name('test_user_')
-            self.test_password = data_utils.rand_name('pass_')
+            self.test_user = data_utils.rand_name('test_user')
+            self.test_password = data_utils.rand_name('pass')
             self.test_email = self.test_user + '@testmail.tm'
             self.v3_user = self.client.create_user(
                 self.test_user,
@@ -268,8 +268,8 @@
 
         def setup_test_project(self):
             """Set up a test project."""
-            self.test_project = data_utils.rand_name('test_project_')
-            self.test_description = data_utils.rand_name('desc_')
+            self.test_project = data_utils.rand_name('test_project')
+            self.test_description = data_utils.rand_name('desc')
             self.project = self.client.create_project(
                 name=self.test_project,
                 description=self.test_description)