I'm in no way a comnputer geek type dude, so when I got on the 'net with the help of my buddy, he said "Well, we don't even have to search for a nickname for you!"
My friend has called me Catnthehat since he has known me, which is quite some time, way before the movie!
I never gave it much thought, but use my given name on some of the competition boards that I am a member of.
Cat
