Done. Log in with the old/new name.
Here are some other options for your sig that I see in the image uploads:
(also, link to assgaming.com since assclansniper.com might not be active forever)
(look at 01-1 through 01-8 for variations)
There are some other sigs for "rinku" but those are it for the "rinkydink" ones... I looked for avatars also but there was nothing obvious that I could find.