Piledriver was a Canadian power/thrash metal band, founded in 1985 by Gord Kirchin. They were known for an over-the-top image and flamboyant song titles/lyrics ("Sex With Satan", "Alien Rape", "Sodomize the Dead", "Witch Hunt", "Human Sacrifice", etc). Probably their best known song was the title track of their debut album Metal Inquisition, which featured in the chorus the sound of a falling guillotine blade chopping someone's head off.