Morning Star wrote:
If you're thinking of creating a username, it's too late now. You'll forever be "link10000"
There is no option in your profile to change your username.
If you would like to be known as "Mario", I'd suggest putting that in your signature (also on the profile page), as the only item. It will them show up below the line below every message you post.
Actually, it is possible to get a different username by going through Admin. I think they allow one change.