If you're still racking your brain on if you should dress up as Casey Anthony or Charlie Sheen, here's a costume that can be for a guy or girl - or both!
It's easy to pull off the Human Centipede costume. Just grab a couple of blow up dolls, use athletic tape to strap them to you and crawl around. You'll probably want to be the front part, but I suppose you can be any section you want.