Maurice LaMarche

Maurice LaMarche is the talented actor who gives voice to Calculon, Kif, Walt, and many other characters. He has done voice work for an incredible array of series, including Brain on ' and Egon Spengler in '. LaMarche was also the third person to voice in the history of the character. According to him, "Morbo, H. G. Blob, and Lrrr are not the same voice".

Recurring Characters

 * Calculon, star of All My Circuits
 * Kif, an officer of the Nimbus
 * Walt, one of Mom's three sons
 * Morbo, the Channel √2 News monster
 * H. G. Blob
 * Lrrr, ruler of the planet Omicron Persei 8
 * Donbot
 * Clamps
 * Destructor
 * Announcer from The Scary Door
 * Hedonism Bot
 * Dr. Perceptron
 * Raoul Inglis
 * Transition Announcer

One-Time Characters

 * The Organ Dealer in Little Neptune
 * The Horny Scientist, Docuporn feature The Garbage Crisis of 2000
 * The croupier at Bender's craps table
 * The Neutral President
 * iHawk
 * The Robot Devil, when Dan Castellaneta was unavailable
 * The Mad Hatterbot
 * Patchcord Adams
 * Aracneon
 * The Osirian High Priest
 * The Πkea Robot
 * The Pain Monster
 * The Grumpy Snail, growling
 * Leroy (BBS)
 * Leelu (BBS)
 * Harold Zoid (TBWABB)
 * The Morcs (BG)
 * Leonardo da Vinci
 * Orson Welles' head