1) Warik
2,3,4,5,6,7,8,9,10,11,12,13 + any other incarnations of toothless dude) Satanic Goatslayer
Last Place) RyanH because I don't understand what the hell it means.
I don't know who has the best avatar since I'm too new to know most of them, but I have to say that the funniest one I've seen belongs to a user named "YellowD". Jesus, I crack up whenever I see that one!