
Mickey Mouse is the King of Disney Castle and a recurring character in the Kingdom Hearts series.
Originally a ship’s hand working with Captain Pete at Timeless River, Mickey became a student of the Keyblade Master Yen Sid. After completing his training and becoming a Keyblade Master himself, Mickey travels to other worlds to battle the forces of darkness. Although he is the chosen Keyblade wielder for the Realm of Darkness, he follows the path of light. Once believing that darkness had to be eliminated, he eventually realized that light and darkness are interdependent and cannot exist without the other due to his encounters with Riku, who he forms a strong bond with over the course of the series.
Mickey is an important figure in the conflict with Master Xehanort, and was later one of the first to notice the threat of the Heartless, inventing the first Gummi Ship to travel to other worlds in order to fight against the monsters.