Abracadabra, boom shaka day,Violent J and his Insane Clown Posse were back like a vertebrae at their annual, three-day music festival in Detroit this weekend. Fans painted their faces and drank Faygo while watching the band and other musicians like MC Hammer. Adding um, star power, to the Gathering of the Juggalos was Ron Jeremy, Dustin Diamond, and the one and only, Charlie Sheen. He got pelted with things. And there's video!