(YouTube Link)

Rorschach is the enigmatic detective character from the Watchmen movie/comic book series, and he's best known for his iconic mask, which has a painted front that changes into shapes that resemble images found in a Rorschach test.

What a fun way to blow people's minds this Halloween, and they won't even be able to see the big old smile on your face!

--via Nerd Bastards