«Billy West: The Many (Cartoon) Voices In His Head». Fresh Air. National Public Radio, 15-07-2010 [Consulta: 5 setembre 2010]. «'That voice is a combination of a couple of people in show business that I always found really funny and interesting. ... One was from vaudeville ... named George Jessel, and he was the 'Toastmaster General of the United States,' and he would always have appropriate toasts for every occasion. And he had a kind of a marble mouth. ... And the other guy was an actor by the name of Lou Jacobi. He was in the movie Arthur.'»
