I found the symbol that is being used for name stealing, "" (its in-between the quotes) I don't know much about how the chat works, but if you could grab the name, if it has that symbol and shares someone elses name, and append/prepend a (1) to it, you could stop name stealing. I don't know if this would work though.
With source there's way too many symbols that can be used to falsify names so it's not really possible to eliminate it for just one character. There is a feature inside our Admin system (though not enabled for Surf) that does have the capability to track these name changes however.
Think it would just fall to the admins; if someone's impersonating you and trolling etc then we can act accordingly.