Metal General

Metal General is a robotic warrior designed by The Ancients to serve as the guardian of Egg Engines on Halcandra. There he act as the sixth boss in Kirby's Return to Dream Land.

It was revealed in Kirby: Planet Robobot that Max Profitt Haltmann studied The Ancients' artifact to create his own versions of their technology. The Security Force units used by the Haltmann Works Company are actually based on the Metal General.

Kirby's Return to Dream Land
Metal General is first encountered at the end of Egg Engines were he is initially turned off, he will activate soon after Kirby enter the arena and start attacking him. In battle, Metal General mainly uses his cyber-katana to slice enemies that gets close to him. Metal General also has a few ranged attacks like shooting energy darts and launching missiles. After loosing half of his health, Metal General will start riding rockets to try to damage Kirby.

In the extra mode, Metal General has a second phase after losing all of its life. It will summon another Ancient creation known as the HR-D3, which is a gigantic robot piloted by the Metal General.

Kirby: Planet Robobot
Metal General is not directly seen in Kirby: Planet Robobot but the Security Force units are based on Metal General's model. It is however unknown if those were based on this specific Metal General or one found in another Ancient colony.