Kikkaijin Denkiei (in Japanese: 奇械人電気エイ Kikkaijin Denkiei, 18, 26): A stingray monster. He is capable of stealing Stronger's electric powers, storing charges from any physical attack he performs. He can then unleash the energy through whip flails from his arms. Each attack dispends one charge indicated by the red lights on his chest. Destroyed by Stronger's Stronger Electro Kick after his electrical charges are exhausted.
Seen!! The Great Leader's True Identity!!
Kikkaijin Denkiei revived to fight against Stronger again and defeated in final Black Satan battle.