I just remembered who came up with the Sore Loserman logo. It was Registered. I've been racking my brain for a day now trying to think of his screen name.
It was Registered
I Believe that you are right. Then a bunch of other people stepped up with some pretty good variations.
I once posted a thread about the history of it. But FR no longer holds it.
Surprisingly if you search google images then you can find some the signs.