Dr. Tiberius Forshaw is the main antagonist in Mutt Williams and the Fertility Temple and is portrayed by Ian McShane.
He was a Nazi scientist allied by Agent Lowenbrau Gottlieb and Noriko Watanabe to seek the Diamond Fertility Amulet which was hidden in the Fountain of Youth in the wilderness of Florida. Two shards from the Amulet were hidden in the lining of Milo's baseball hat. As proceded to place the last two shards on the Amulet, its supernatural powers conjures up a black hole, which sucks the Fountain's water and his Nazi allies while Mutt, Shelby, and Milo sucessfully escape. Forshaw starts to age rapidly and is disintergrated while his scattered essence gets sucked into the black hole.