The Murder Monkeys appear as anthropomorphic monkeys. They lack any real hands, as they have been replaced with large bloody blades or knives on their sleeves instead.

To accentuate their heavily deranged appearance and nature, their heads are bigger than their humanoid body with their mouths filled with sharp bloody teeth. They have large, beady eyes, with pink lines over their eyes and the left eye being a lazy eye. Unlike real monkeys, however, they lack a tail completely. On their back