William Richard Werstine (born April 16, 1952), known professionally as Billy West, is an American voice actor, musician, singer and songwriter. He is well known for his voice-work in commercials, films, television series and video games. His roles include the title characters on Doug (Nickelodeon series) and The Ren & Stimpy Show (the former since season 3), 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.
West provides the voices for Mammed Udi, Franklin, The Hatta' & Dolan.