Ka-Thunk Crush: the Ka-Thunk will start using the iron square to crush the player however if it is on its back then Ka-Thunk will reveal its weak spot. He can be defeated by Ground Pounding on that spot.
King Ka-Thunk only appears in two levels. He first appears at the end of World 5 in King Ka-Thunk's Castle and once again in the final level of the Flower World, Boss Blitz.
Attention MarioWiki users!: This article is too small or lacks sufficient information. Whether you are commenting or editing, we would be pleased if you help MarioWiki by expanding it.