Mr. Slave is a minor character in South Park: The Stick of Truth, and is summonable. He gives the player the quest Mr. Slave's Package.
Mr. Slave wears a small, black leather jacket, a small white shirt, black leather pants with blue in the crotch area, and a black leather hat and black shoes. He has short brown hair with long sideburns and a handlebar mustache.
- Mr. Slave's Package - Gives the player the quest.
- Alien Abduction - Was shown getting an anal probe (and was enjoying it).
- Beat Up Clyde - Players must use gnome dust to crawl up his ass and disarm a snuke.
- Like Liane Cartman, he enjoys getting hit by the New Kid.