Mickey Mouse is the king of Disney Castle. He first appears in the short film "Steamboat Willie". In Sora's first adventure, King Mickey had dissapeared and left only a note at his home in Disney Castle. Sora only gets to see Mickey at the very end of his adventure through the door of Kingdom Hearts with his Keyblade of the realm of darkness. Later on, Sora and friends see the king agoain as he saves the gang from a group of Nobodies.
History
Early Life
Main Article: Mickey Mouse (Timeless River)