Mace Face is a spiked robotic armadillo monster used by the Machine Empire. He had two forms: his regular spiked monster form, and the form of a spiked ball. He was the first monster to be destroyed by the Zeo Mega Battlezord.Brother, Can You Spare an Arrowhead? He was later seen as an audience member in Prince Gasket's Machine Arena.King for a Day Mace Face was later seen in the Machine Empire's army.Countdown to Destruction