Make another e-mail address and jus create a new account...

There is a way to change your nickname, only if your subscribed to the games though.
Search the forum for more info.
If you are not subscribed then your best bet is to just make a new name like Chris said.

thing is he probably likes been here since 2004, why make a new nick what says joined since 2007, pearsonnaly i dont know how u do it but allders is right u can, hope u can change it:p