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: Lost & Found Officer (voice)
Character: Additional Voices (voice) (archive footage)
Character: Sailor (voice)
Character: The Beagle Boys / Additional Voices (voice)
Character: Kif Kroker / Calculon / Hedonismbot / Various (voice)
Character: White / Bavaro (voice)
Character: Inspector Gadget (voice)
Character: Igg the Cow (voice)
Character: Oscar Wildcat / Martin Duckstein / Additional Voices (voice)
Character: Balto / Moose 1 / Moose 2 (voice)
Character: Mortimer Mouse (Megamort) (voice)
Character: Interrogator #2 / Mash / drunken bar patron / Dr. Vincent "Vegas Vinnie" Whiskers / Jack Deebs (super hero version) (voice)
Character: Birdsdorf (voice)
Character: Oberon / Red Tornado
Character: Kif Kroker (voice)
Character: Mr. Lawrence Talbot (voice)
Character: Mayor Whitman / Andy (voice)
Character: Brain / Squit (voice)
Character: Bumpy Snits / Ferryman #1 / Cowpoke #2 (voice)
Character: Morbo (voice) (uncredited)
Character: Dr. Willing / News Anchor (voice)
Character: Principal Pixiefrog (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: Chancellor Neighsay (voice)
Character: Chancellor Neighsay (voice)
Character: Douglas Cain / Big Bob Pataki (voice)
Character: Lumiere (voice)
Character: Horace (voice)
Character: Inspector Gadget (voice)
Character: Tapper (voice)
Character: Dizzy Devil / Marshal Samuel Gerard / Howard Stern / Additional Voices (voice)
Character: Dr. Willing / News Anchor (voice)
Character: Sultan, Additional Voices
Character: Don Rattles / Steed Martin / Peter Easter Bat (voice)
Character: Principal Pixiefrog / Mr. Mandrill (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: Judge #2 (voice)
Character: Yosemite Sam (voice)
Character: Darth Vader (voice)
Character: Mortimer Mouse (voice)
Character: Mortimer Mouse (voice)
Character: Mr. Big (voice)
Character: Sleet / Swatbot (voice)
Character: Sleet / Athair / Swatbot (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: Dr. Oculus (voice)
Character: Dr. Quizzical / Burger Chef / Knight (voice)
Character: Big Fat Boy (voice)
Character: Chief Quimby (voice)
Character: Dr. Quizzical (voice)
Character: Michael Lorenzo
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: The Brain / Dizzy Devil / Dizzygor / Gossamer / Additional Voices (voice)
Character: Additional Voices (voice) (uncredited)
Character: Father (Voice)
Character: Vincent Van Ghoul / Bernie Alan / Vance Linklater (voice)
Character: Tapper (voice)
Character: Kif Kroker / Schlump / Various (voice)
Character: Narrator (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 (voice) (uncredited)
Character: Frill-necked Lizard / Snake / Turtle (voice)
Character: Additional Voices (voice)
Character: Amos Slade / Darth Vader / Thanos (voice)
Character: Big Bob Pataki (voice)
Character: Maurice LaMarche
Character: Henry Mitchell (voice)
Character: Bjorn / Working Troll #1
Character: Mr. Big (voice)
Character: Principal Pixelfrog (voice)
Character: Obi-Wan Kenobi
Character: Destro / Serpentor / Low-Light