In Mario Kart: Super Circuit, a single Hammer Bro can be seen at the awards ceremony at the end of a Grand Prix alongside other characters. Mario Kart series Mario Kart: Super Circuit Like the other impostors, its true identity will only be revealed if it is defeated by fireballs. A Hammer Brother serves as the Bowser Impostor at the end of World 7's castle. If a Hammer Brother is onscreen for a certain amount of time without being defeated, it will start to chase after Mario.
The player can defeat them by running into them while invincible, shooting fireballs at them, hitting/breaking the Brick Blocks directly underneath them, or jumping on their heads, or avoid them by simply running past them while they are mid-jump. More often than not they are encountered in pairs, attacking Mario by tossing hammers and jumping between rows of Brick Blocks. They also appear in World 5-2, World 7-1, World 8-3, and World 8-4.
Hammer Brothers made their debut appearance in World 3-1 of Super Mario Bros., for the Nintendo Entertainment System.
