I took my username and avatar from a random poster in the Something Awful forums' gay goons thread hoping they'd get banned for posting here. It didn't work, but at least I'm pre-spooked for Halloween.
My normal avatar is a scalpel man holding a scalpel because it fits the name and my initial intent with the account (to dissect claims, statements, and actions and excise, expose, or otherwise correct the tumorous ones); I made this bonesaw version a while back for black history month and I'm lazy so now it's a "Hood Surgeon" Halloween costume.
In the spirit of Halloween, my avatar. A scene out of Dostoevsky's Crime and Punishment when Raskolnikov murders the old lady for some rubles but only to spaz out and leave without getting anything worth of value. Does it give you heebies and or jeebies?