Mickey Mouse (cartoon character), the most popular character of Walt Disney’s animated cartoons and arguably the most popular cartoon star in the world. Mickey Mouse is a cartoon character who has become an icon for The Walt Disney Company. Mickey first appeared in color in 1935. Walt Disney began his first series of fully animated films in 1927, featuring the character Oswald the Lucky Rabbit. When his distributor appropriated the rights to the character, Disney altered Oswald’s appearance and created a new character that he named Mortimer Mouse; at the urging of his wife, Disney rechristened him Mickey Mouse. Download free Mickey Mouse Wallpapers, Mickey Mouse Pictures, Mickey Mouse Photos, Mickey Mouse Gang wallpapers and stock photos, Mickey Mouse images, and Mickey Mouse clips.