Portrayed by Zach Thacker
Appearances Spectacular Phenomenal Space Fantasy
Affilitations Alien Army
Race Zachmonster

Zachmonsters are a race of identical alien monsters. Known Zachmonsters appear to be loyal to General Woop's army, who may be responsible for breeding or creating them. Zachmonsters communicate by letting out a distinctive screech. They also appear to have a moon or meteor-like head, as well as the gold-armed alien race's characteristic gold arms.