After that, Bob cuts Snoop Dogg's testicles and replaces them with live grenades. Cast Seth Green - Adam Savage , Alien, Cop, Dirty Harry , Ghost Rider , Great Mazinger , Leprechaun, Mark Keyhop, Mother, Pedestrian, Poopdeck Pappy , Robot, See'n'Say, Tiny Harper, Toilet Monster Kristin Chenoweth - Mother, Olive Oyl ,