Hammer Bro

Hammer Bro
Information
First Appearance	Mario Kart: Super Circuit (2001, as a spectator) Mario Kart Tour (2020, as a playable character)
Latest Appearance	Mario Kart Tour (2020, as of the Hammer Bro Tour)
Total Appearances	Mario Kart: Super Circuit Mario Kart Arcade GP Mario Kart Wii Mario Kart Arcade GP 2 Mario Kart 8 Mario Kart 8 Deluxe Mario Kart Tour

The Hammer Bro is a spectator in Mario Kart: Super Circuit, Mario Kart Arcade GP, Mario Kart Arcade GP 2, Mario Kart Wii, Mario Kart 8, and its port. He was going to be a playable character in Mario Kart Wii, but he later got scrapped for unknown reasons. Mario Kart Tour will finally mark his debut as a playable character starting with the Hammer Bro Tour.