Kuwagust Anchortus

Kuwagust Anchortus is the boss in the game Mega Man Zero 2, when you and Ciel go to disarm a bomb in an airship. He is based on the stag beetle. He is also the brother of Herculious Anchortus, as he mentions during your battle with him. When you face him again in the final stage, you face both Anchortus brothers.