Unfortunately, we can’t change your username. You can, however, change your username and picture between your Facebook Account and your Miniclip Account. Just go to https://miniclip.com/user/settings/ and log in with your Miniclip and Facebook accounts and select between the 2 names displayed.
If you don't have a Facebook account connected, you will always have to keep the initial username you’ve used when the account was created.
We are sorry for any inconvenience this may have caused you.