| This minifigure has only appeared in video game(s)|
Although this article is about an official minifigure, it never existed in physical form, or appeared in any official LEGO sets.
Mr. X is a character who appeared in 5712 LEGO Stunt Rally. He is the World Champion and current owner of Stunt Island. He speaks with a slight British accent. He drives the X car, considered the best in the game. He also provides hints and tips to the player.
Mr. X wears a purple suit and top hat, cape, with a small black mask over his face to protect his identity.