Iwao (岩男) is an enemy in Wario Land 4. These tough pudgy creatures attack by throwing large rocks at Wario. They are also immune to most of Wario's attacks and can only be defeated by ground pounding on them. Also in the level Fiery Cavern (which is the level they only appear in) when Wario jumps on the switch in the level and the temperature radically changes, the Iwaos become Yetis which implies that these enemies change with the climate.

Iwao's sprite.

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