Henry "Mutt" Jones III (formerly Williams) is the son of Henry Jones, Jr. and Marion Ravenwood. His first appearence is Indiana Jones and the Kingdom of the Crystal Skull and is portrayed by Shia LaBeouf. He later returns in his spin-off: Mutt Williams and the Fertility Temple with a love interest and a sidekick. He even returns to stop a young scientist from the Soviet Union from retrieving the Fertility Chalice.