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 Zapp Brannigan's beleaguered assistant Kif Kroker, melodramatic soap acting robot Calculon and other characters; The Brain in Animaniacs and Pinky And The Brain, and Egon Spengler on The Real Ghostbusters and Extreme Ghostbusters.
He voices Atilla the Frog and Rasputin the Mad Frog in the 2012 nick series.