William Richard Werstine (born April 16, 1952), known professionally as Billy West, is an American voice actor, singer, musician and songwriter. He is known for his voice-work in commercials, films, television series and video games. His roles include the titular characters on The Ren & Stimpy Show, Douglas Yancey "Doug" Funnie from Doug, and Philip J. Fry, Professor Farnsworth, Dr. Zoidberg, Zapp Brannigan and others on Futurama. In commercials, he is the current voice of the Red M&M and voiced Buzz from Honey Nut Cheerios until 2004. He has voiced Bugs Bunny, Elmer Fudd, Popeye, Shaggy Rogers and Woody Woodpecker in subsequent animation and was also a cast member on The Howard Stern Show, noted for his impressions of Larry Fine, Marge Schott and George Takei.