Demonkey is one of the Decepticon Beastformers fighting a war on the planet Beest. His role in the Decepticon Beastformer forces is a demolition soldier. He also holds the rank of Emperor of Parumira under King Little Serow, who fights on the opposite side in the war. Okay then.
- English name: Tarsier Tyrant
- Demonkey (Beastformer, 1987)
- Beast ID number: 56
- Demonkey is an anthropomorphic light brown tarsier in high-tech dark green armor. He comes with his "Demon Waver" sword. He has one of three rubsigns on his chest, revealing the elemental power of fire, water, or wood.