Walt Disney was an American animator, entrepreneur and film producer who pioneered the American animation industry and created many beloved characters like Mickey Mouse. As a child, Walt was interested in art and pursued cartooning after dropping out of high school. He founded Walt Disney Studios and created Mickey Mouse, who became a global sensation. Walt went on to open Disneyland in 1955 and began planning Disney World before his death from lung cancer in 1966 at age 65. He left a lasting legacy as a cultural icon.