William Richard Werstine (born April 16, 1952), known professionally as Billy West, is an American voice actor. His voice roles include Bugs Bunny in the 1996 film Space Jam and several subsequent projects, the title characters of Doug and The Ren & Stimpy Show, as well as the Futurama characters Philip J. Fry, Professor Farnsworth, Dr. Zoidberg, and Zapp Brannigan. In commercials, he is the current voice of the Red M&M and formerly voiced Buzz for Honey Nut Cheerios. West also voices other such established characters such as Elmer Fudd, Popeye, Shaggy Rogers, Skeets, Tom, Muttley, and Woody Woodpecker. He was a cast member on The Howard Stern Show, during which time he was noted for his impressions of Larry Fine, Marge Schott, George Takei, and Jackie Martling.