John DiMaggio (born September 4, 1968)[2] is an American voice actor and comedian, known for his gruff voice and for his work as Bender from the television series Futurama, Jake the Dog on Adventure Time, and Marcus Fenix in the Xbox video game Gears of War. Other voice-over roles of his include Dr. Drakken and Motor Ed on Kim Possible, Gagnar the Bill Collector from Dave the Barbarian, Brother Blood on Teen Titans, Aquaman in Batman: The Brave and the Bold, Rico in The Penguins of Madagascar, Fu Dog and Ogre In American Dragon: Jake Long, Niblet on Pound Puppies, the Scotsman on Samurai Jack, and Shnitzel on Chowder. In We Bare Bears, he does the voice of Ralph.