Maurice LaMarche: Morbo, Kif Kroker, Calculon, Hedonismbot, Walt, Additional Voices, Horrible Gelatinous Blob, Lrrr, Lt. Kif Kroker, The Hyperchicken, Clamps, Donbot, Headless Clone of Agnew, The Hyper-Chicken, Narrator, The Borax Kid, The Crushinator, Fishy Joe, George Washington's Head, Raoul, The Scary Door Narrator, Transition Announcer, Waiter, Auctioneer, Axl, Butler, Destructor, Doctor, Dr. Perceptron, Executive Beta, Fishy Joseph Gillman, Inglis Raoul, Newsreel Announcer, TV Announcer, The Big Brain, Victor, 'Good Show!', Ab-Bot, Abraham, Abraham Lincoln's Head, Academy Awards Announcer, Albino Shouting Gorillas, Alexander Hamilton, Amish Man, Angus McZongo, Announcer, Ape #1, Aracneon, Archaeologist, Attila the Hun, Auto-Pilot, Bailiff, Balloon Operator, Band Member, Barking Snakes, Basil, Basketball Announcer, Bean Salesman, Benjamin Franklin, Betsy, Bidder #1, Big-Mouthed Mutant, Billgar, Border Guard, Bouncer, Brain Balls, Brrr, Buggalo, Business Monkey, Captain Megameat, Carcarons, Cartridge Unit, Chainsaw-Eating Robot, Civil Defense Van, Clock, Commercial Announcer, Costume Contest Announcer, Crushinator, Cryogenisist, Cuckoo, Cylon, Dean Vernon, Digby, Documentary Announcer, Documentary Narrator, Dog Walker, Donkey Kong, Dr. Banjo, Dragon Ghost, Dumblock, E-Mail Voice, Elves, Elzar's Announcer, Emperor Bont, Erwin Schrödinger, Evil Lincoln, Execubot Beta, Executioner, Executive Alpha, Fire Creature...