Heave-Hos are red mechanical enemies in Super Mario 64 and Super Mario 64 DS. Heave-Ho's name is a direct reference to the phrase "Heave-ho", which people would say when trying to move something. They appear in Tick Tock Clock and Wet-Dry World. Their faces resemble those of an Amp. Heave-Hos can not be destroyed.
They ride on three wheels, and have a dustpan-like mechanism with footprints on it, which they use to fling Mario upwards. On the Heave-Hos' sides are emblems of Bowser giving a thumbs up, which is over the word "KOOPA" written around in fire. After moving around their area, they lose power, and they have to wind up the key-like object in their backs, much like a toy.
Heave-Hos can help Mario by flinging him upwards depending on the direction they are facing to help him reach higher areas. However, one wrong move can cause Mario and the gang to take fall damage or even get flung into an abyss. They will disappear if the water level is too high for the platforms they are located on. Once the water is drained, the Heave-Hos will reappear on their respective platforms.
In Super Mario 64 DS, Heave-Hos underwent multiple visual changes, having eyes inside visors instead of a face. The "KOOPA" emblem is gone from their texture. Besides appearing in the aforementioned worlds, they also appear in the Battle Fort stage.
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