"Boys and Girls, It's nighty-night time..has a nursery rhyme..It's about the boogie-woogie man, keep your light on as long as You can..Cuz when it cuts off, so does your head. Boogie-Woogie Wu waits under your bed with a shank." -- ICP
Here are a couple of effed up scenes where Michael Myers is after his niece, who resembles Demi Lovato, with a cleaver. Where is the Princess Protection Program? (less info)