Mario Kart: Double Dash!! is the fourth Mario Kart game. It is for the GameCube. It and Mario Kart Arcade GP are the only Mario Kart games that let two characters be in a kart. One drives and one uses items. It has several new features. When cups are unlocked, characters and karts are too, and every kart has unique features. The characters are Mario, Luigi, Peach, Daisy, Yoshi, Birdo, Baby Mario, Baby Luigi, Koopa Troopa, Koopa Paratroopa, Donkey Kong, Diddy Kong, Bowser, Bowser Jr., Wario, Waluigi, Toad, Toadette, Petey Pirahna, and Boo.