Maurice LaMarche

Maurice LaMarche is the talented Emmy award winning actor who gives voice to Calculon, Kif Kroker, Walt, and many other characters. He has done voice work for an incredible array of series, including the Brain on ', Egon Spengler in ', and Keith Lieb on The Cleveland Show. 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". Maurice is also well known for his impression of, which he has used on Futurama and other places including ', ' and The Simpsons. LaMarche has received two Primetime Emmys for Outstanding Voice-Over Performance on Futurama, one in 2011 for his performances as Lrrr and Orson Welles' head in "Lrrreconcilable Ndndifferences", and a second in 2012 for his performances as Clamps, the Donbot, the Hyper-Chicken, Calculon, Hedonismbot and Morbo in "The Silence of the Clamps".

Recurring characters

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

One-time characters

 * Yuri, The Organ Dealer
 * 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
 * Leelu (BBS)
 * Leroy (BBS)
 * Harold Zoid (TBWABB)
 * The Morcs (BG)
 * Leonardo da Vinci
 * Orson Welles' head
 * Erwin Schrödinger
 * The small rock alien
 * The Borax Kid (6ACV20)