Arthur Pendragon (often called Wart or King Arthur) is the protagonist of Disney's 1963 animated feature film, The Sword in the Stone. He is an orphan boy who becomes King of England thanks to his ability to pull a legendary sword from a stone.
A 30 minute short film where after the animators at Disney Studios leave for the day, suddenly Mickey and Minnie jump out of the pictures and round up all the animated Disney characters in history for one giant group photo after 100 years.