Roy Williams(1907-1976) Embossed Serigraph, 1936 Mercedes Benz 540K. Roy Williams was an artist and entertainer for The Walt Disney Studios, perhaps best known as "Big Roy/ The Big Masticator" the adult mouseketeer for four seasons on the Mickey Mouse Clubtelevision series. He also invented and designed the Famous Mickey Mouse Ear Hat.?During World War II, he designed more than 100 insignias for the armed forces, including the award-winning Flying Tigers insignia. Williams died in Burbank, California, in 1976. He was posthumously inducted as a Disney Legend in 1992.Roy's art work and designs have appeared in LIFE, The New Yorker, and Hearst Publications. As a hobby, Roy drew for the New Yorker, resulting in the publication of several cartoon books.