Gorilla Canth

Gorillacanth (ゴリラカンス): A Mecha Gigan with brute strength and shoulder cannons that double as axes that was dispatched by Doctor Man to destroy the Bioman. Gorillacanth overpowers Bio Robo due to a glitch in the system. Finding Bio Robo, Gorillacanth proceeds to smash it before the Bioman arrive with the circuit that enables it to fight at full power and destroy the Mecha Gigan with Bio Flash.