Actually a pretty funny story. When I was little my brother and his friend were into rap music. So we were jokingly coming up named for our future stage personas.
They took all the good names, like Big Daddy-O (friend) and Pimpin Dad (My brother). I couldn't figure out a name so I said "Foxy Father" going with the motif. I was laughed out of the room by them. But I told my brother that Pimpin went better with me cause my name was Peter (See, 2 Ps? thats young logic for ya)
Later that day I made a yahoo account to watch music videos, and gave myself the name pimppeter.
When I joined my first forum oblivionsource I kept the name. (Not many things to make accounts for back then). 4 something years later, the site implodes, and I join the Escapist. And I just dragged the name over there because it was easy to do.