One of the oldest known Mobile Suits used during the Calamity War, a war with humanity being at the brink of destruction against Mobile Armors. Mobile Suits were then designed to destroy these armored monsters and of which required people to pilot them. Later developing an artificial (man-made) system, known as the Alaya Vijnana. It was an organic interface system that was developed during the Calamity War as a way to maximize the abilities of Mobile Suits by granting their pilots acute spacial awareness.
Barbatos's pilot is Mikazuki Augus, an orphan of CGS, later becoming Tekkaden (Iron Flower).
Mikazuki, also called "Mika", was later nicknamed "the Devil of Tekkaden" by his enemies, simply because he was always fighting on the front lines.
Not only was Barbatos very strong, it is said that Barbatos defeated a Mobile Armor all by itself.
Gundam Barbatos