Boohoo the Clown was a Machine Empire monster. It could can emit a high frequency sound waves extremely painful to the human ear. Boohoo's weapons are his cane that can project energy blasts, his tambourine that can project bolts of lightning, his exploding baby bottles, and his arm-mounted sword. Boohoo's head could lift itself shooting laser beams. Boohoo was dispatched from the Machine Empire to enhance the frequency and amplitude of baby Joey's voice to make the sound waves extremely destructive. He was destroyed by the Zeo Megazord.