Roy Williams was born in Colvillehe was hired as an artist by Walt Disney in 1930. Perhaps best known as "Big Roy", the adult Mouseketeer for four seasons on the Mickey Mouse Club television series. He worked on animated shorts while attending Chouinard Art Institute at night. He later also developed story ideas for Disney. He is credited with designing the mouse ears worn on the Mickey Mouse Club. Roy traveled across the country to promote the re-release of such Disney films as Cinderella, while in 1959, he served as goodwill ambassador for The Walt Disney Studios. Later, he worked as a Disney comic strip artist, cartoonist at Disneyland (as seen in the photo posted here), and consultant on the traveling arena show, "Disney on Parade." Williams died in Burbank, California on November 7, 1976. He was posthumously inducted as a Disney Legend in 1992.

Interesting 10" x 6" Sketch of Donald Duck made by the artist and entertainer for the Walt Disney Studios, Roy Williams, best known as "Big Roy", the adult Mouseketeer for four season on the Mickey Mouse Club television series. 
Sketch made as a souvenir in Disneyland. Circa 1960. Includes a 3"x 3" photo of Marcelo (the sketch's owner).