King-Size Canary is an animated cartoon short that debuted in movie theaters in 1947. It was produced by Metro-Goldwyn-Mayer and directed by Tex Avery. The canary in this short was a primary inspiration for the design of Maurice, a character from The Wacky World of Tex Avery.

Frederick Bean "Tex" Avery was an American animator, cartoonist, director, and voice actor. He was known for directing and producing animated cartoons during the golden age of American animation. His most significant work was for the Warner Bros. and Metro-Goldwyn-Mayer studios, where he was crucial in the creation and evolution of famous animated characters such as Bugs Bunny, Daffy Duck, Porky Pig, Elmer Fudd, Droopy, Screwy Squirrel, The Wolf, Red Hot Riding Hood, and George and Junior.