-Patrick Bateman: Walkman, plastic body suit over business suit, axe
-Half-and-half: make a carton costume, then put "I rule everything around you" on the front; cool Wu-Tang Creamery logo would work well; maybe a "Missing Persons" ad on the side for ODB or something
-The Unabomber: make it look like you're the actual police sketch
-Greendale College Human Being
-William Blake from "Dead Man"
-John Cusack from "Say Anything" -- build a set of arms attached to the coat so you can just walk around all night with the boombox over your head, but maintain use of your hands
-Iggy Pop
-Vincent Vega
-Iggy Pop
-Vincent Vega
That's all for now. I'm quite taken with the C.R.E.A.M. idea.