I ph*cked up when I created this account... I thought this would be just "another" private server.
and choose a name quickly.. I know its a bad reason, but like always I can just give it a shot. L..
I don't believe you can, you're going to have to create another account or possibly contact an admin and he will maybe change your username for you, I personally don't think it's going to happen though, good luck with all. ;D