She changed it.
Now, you can't threaten other users with banning them because you can't say who can be here and who can't. So, I removed your comment because it's not in accordance to GG's ToS, which you agreed to when signing up.
If you happen to be dealing with something like this again, just ask the user nicely to change his/her avatar.
If s/he doesn't listen, e-mail to support@glitter-graphics.com
Here you goo;
Do you likee? :)