Guest Stars Andy Daly voices Krombopulos Michael Jemaine Clement voices Fart Co Starring Scott Chernoff voices Gear Head Tress MacNeille voices Caretaker Tom Kenny voices Gear Newscaster Tom Kenny voices Gear Police Officer Tress MacNeille voices Roy's Mother Maurice LaMarche voices Roy's Teacher Maurice LaMarche voices Gromflamite Fed Kari Wahlgren voices Roy's Wife Ryan Ridley voices Roy's Doctor Will Jennings voices Child Roy Ryan Elder voices Sports Announcer