Yeti

Snow Men (雪男 Yukiotoko) are enemies in Wario Land 4 that appear in the levels of different passages. They are pudgy Yeti-like creatures whose nose is constantly running. Snow Men normally move back and forth, but when Wario comes near, they stop to walk and fire an icy breath at him that moves horizontally. When hit, Wario becomes Frozen Wario. Snow Men can be defeated by any of Wario's attacks and can be grabbed and thrown as well when they are stunned. For defeating a Snow Man by ground-pounding it, Wario is rewarded with a Bronze Coin. Unlike other enemies that cause a special status, a defeated Snow Man does not respawn when Wario re-enters a room.

In the level Fiery Cavern, it is shown that they are related to Iwao, since the latter creatures will become Snow Men when Wario jumps on the Frog Switch and the temperature rapidly changes.

Their name is Japanese for Yeti; 雪男(Yukiotoko).