Maurice LaMarche
Maurice LaMarche (born March 30, 1958) is a Canadian voice actor and 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!, Dizzy Devil in Tiny Toon Adventures, The Brain in Animaniacs and Pinky and The Brain, The Powerpuff Girls, and his portrayal of Mr. Freeze in Batman: Arkham City.