Giguros

Giguros was a Mechanical Beast that had a small role in the  Mazinger Z manga.

Appearence
Giguros was a tall humanoid that wore Roman looking armour, with a spiked helm and body plate.

History
Giguros was among the many Mechanical Beasts that were discovered by Dr. Hell during his conquest of the lost island of  Bardos. Giguros could be seen standing tall alongside many other mechanical titans.