Maurice LaMarche (born March 30, 1958) is a Canadian voice actor and former stand up comedian. He is best known for his voicework in Futurama as Kif Kroker, as Egon Spengler in The Real Ghostbusters, Verminous Skumm and Duke Nukem in Captain Planet and the Planeteers, Big Bob Pataki in Hey Arnold!, and The Brain in Animaniacs/Pinky and The Brain.
Description above from the Wikipedia article Maurice LaMarche, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Character: Alec Baldwin (voice)
Character: Sailor (voice)
Character: The Beagle Boys / Additional Voices (voice)
Character: Kif Kroker / Calculon / Hedonismbot / Various (voice)
Character: Inspector Gadget (voice)
Character: Igg the Cow (voice)
Character: White / Bavaro (voice)
Character: Oscar Wildcat / Martin Duckstein / Additional Voices (voice)
Character: Balto / Moose 1 / Moose 2 (voice)
Character: Interrogator #2 / Mash / drunken bar patron / Dr. Vincent "Vegas Vinnie" Whiskers / Jack Deebs (super hero version) (voice)
Character: Kif Kroker (voice)
Character: Mayor Whitman / Andy
Character: Tapper (voice)
Character: Brain / Squit (voice)
Character: Dr. Willing / News Anchor (voice)
Character: Yosemite Sam as General Pandemonium (voice) (as Maurice La Marche)
Character: Mogorb / Lord of Lerd / Bo - Master Mariner of the World / Additional Voices (voice)
Character: Dizzy Devil / David Letterman / Horatio / Theatre Voice (voice)
Character: Horace (voice)
Character: Inspector Gadget (voice)
Character: Dizzy Devil / Marshal Samuel Gerard / Howard Stern / Additional Voices (voice)
Character: Don Rattles / Steed Martin / Peter Easter Bat (voice)
Character: Fred Bishop - Simon's Dad on Phone (voice) (uncredited)
Character: Sir Langsdale (voice)
Character: Orson Welles (voice) (uncredited)
Character: Professor Gregor Marley
Character: Yosemite Sam (voice)
Character: Mortimer Mouse (voice)
Character: Mortimer Mouse (voice)
Character: Mr. Big (voice)
Character: Morbo / Walt / Sun God / Destructor / Additional Voices (voice) (archive footage)
Character: Yosemite Sam / Ghost of William Shakespeare / Dr. Moron / Pepe Le Pew (voice)
Character: Mynah Bird Maurice
Character: Mr. Lawrence Talbot (voice)
Character: Chief Quimby (voice)
Character: Dr. Quizzical (voice)
Character: Father (voice)
Character: Chief / Ferryman / Tough Old Car (voice)
Character: Bob Pataki (voice)
Character: Egghead (voice)
Character: Big Bob Pataki / Head of Security (voice)
Character: Hedonismbot (voice)
Character: Spike / Alley Cat (voice)
Character: Additional Voices (voice)
Character: Cyclops (voice)
Character: Pirate / Thurdigree Burns (voice)
Character: Rico / Additional Voices (voice) (uncredited)
Character: The Brain / Dizzy Devil / Dizzygor / Gossamer / Additional Voices (voice)
Character: Father (Voice)
Character: Vincent Van Ghoul / Bernie Alan / Vance Linklater (voice)
Character: Narrator (voice)
Character: Kif Kroker / Schlump / Various (voice)
Character: Tapper (voice)
Character: Narrator (Hesburgh)
Character: Yosemite Sam / Wile E. Coyote
Character: 'Big Daddy' Brotherson (voice; uncredited)
Character: Archambault (voice)
Character: Pepe Le Pew (voice)
Character: Buddy's Belch (uncredited)
Character: Frill-necked Lizard / Snake / Turtle (voice)
Character: Additional Voices (voice)
Character: Additional Voices (voice) (archive footage)
Character: Oberon / Red Tornado
Character: Morbo (voice) (uncredited)
Character: Principal Pixiefrog (voice)
Character: Chancellor Neighsay (voice)
Character: Chancellor Neighsay (voice)
Character: Principal Pixiefrog / Mr. Mandrill (voice)
Character: Lost & Found Officer (voice)
Character: Mortimer Mouse (Megamort) (voice)
Character: Birdsdorf (voice)
Character: Bumpy Snits / Ferryman #1 / Cowpoke #2 (voice)
Character: Douglas Cain / Big Bob Pataki (voice)
Character: Dr. Willing / News Anchor (voice)
Character: Sultan, Additional Voices
Character: Hollywood Johnny Proctor (voice)
Character: Judge #2 (voice)
Character: Additional Voices (voice)
Character: Pepe Le Pew (voice) (archive footage)
Character: Sleet / Swatbot (voice)
Character: Sleet / Athair / Swatbot (voice)