Robert Porter McKimson Sr. was an American animator and illustrator, best known for his work on the Looney Tunes and Merrie Melodies series of cartoons from Warner Bros. Cartoons and later DePatie–Freleng Enterprises. He wrote and directed many animated cartoon shorts starring Bugs Bunny, Daffy Duck, Porky Pig, Foghorn Leghorn, Hippety Hopper, Speedy Gonzales, and the Tasmanian Devil, among other characters. He also developed Bugs Bunny's design in the 1943 short Tortoise Wins by a Hare.

Warner Bros. Cartoons, Inc. was an American animation studio, serving as the in-house animation division of Warner Bros. during the Golden Age of American animation. One of the most successful animation studios in American media history, it was primarily responsible for the Looney Tunes and Merrie Melodies series of animated short films. The characters featured in these cartoons, including Bugs Bunny, Daffy Duck, and Porky Pig, are among the most famous and recognizable characters in the world. Many of the creative staff members at the studio, including directors and animators such as Chuck Jones, Friz Freleng, Robert McKimson, Tex Avery, Robert Clampett, Arthur Davis, and Frank Tashlin, are considered major figures in the art and history of traditional animation.