Most Halloween costumes have been done several thousand (if not million) times before, but when you roll up to someone's house or a party with this Alien Mind Control mask on, things may get a little crazy. According to its creators, The Horror Dome: "Free your mind with Our Alien mind control. Once our little alien takes control of your body you will have the vacation you've always been waiting for. Sit back and relax because his thoughts are yours and he is now in the driver seat." Continue reading for more crazy Halloween costume ideas that geeks would love.