Menhanmā

Menhammer (メンハンマー, Menhanmā) is an enemy appearing in the game Wario Land 4. It is a small warrior that wears a yellow mask and has a tuft of green hair. Their weapon of choice is a golden hammer. These enemies attack Wario by lunging at him with their hammers. If Wario makes contact with a Menhammer's hammer, he will change into the Bouncy Wario form.

Its name translates to "hammer face."