Fan Casting William Hannah in Biopics

William Denby Hanna (July 14, 1910 – March 22, 2001) was an American animator, director, producer, voice actor, cartoon artist, and musician[1] whose film and television cartoon characters entertained millions of people for much of the 20th century. In 1937, while working at Metro-Goldwyn-Mayer (MGM), Hanna met Joseph Barbera. The two men began a collaboration that was at first best known for producing Tom and Jerry. In 1957, they co-founded Hanna-Barbera, which became the most successful television animation studio in the business, creating and/or producing programs such as The Flintstones, The Huckleberry Hound Show, The Jetsons, Scooby-Doo, The Smurfs, and Yogi Bear.