Verified answer

you have to sign up on nick.com then after u sign up you can log on to avatar legends with your nick account

Yea sign up at nick.com....

also the game is a little buggy

and u must be on the internet

click this link http://www.outland.org/infusions/wiclear/index.php...

then click "Login" at the left side and click "Learn how to register". that should solve your problem on how to make a username. it's a nice game though.