Not a lot is known about Galvos, or the rest of his kind, for that matter. An extremely rare subspecies of the much-more-common standard Lagiacrus, most Abyssal Lagiacrus- including himself- generally keep to themselves in aquatic ruins far below Moga Village. It's very uncommon to see them out and about; one supposes Galvos is just a bit more social than most.

The reputation of his kind, due to the mystery surrounding them, is one filled with fear and dread, even more so than standard Lagiacrus; though the legends aren't all accurate, Galvos shows they still have a bit of truth to them. He's generally pretty level-headed and long-tempered, and it takes a lot to provoke him, but on the occasion that he does reach the end of his rope, he bursts into a tornado of electric rage. The damage he can do is about as vast as one would expect from a creature known in legend as the "devil of the sea." ...That said, he gives a lot of warning signs, so if one does manage to anger him to that degree, they probably had it coming.

Galvos possesses significantly more intense electrical charge than standard Lagiacrus, stored inside his body and focused to the spines on his head and back when in use. The bolts of lightning he produces are tinged black at their core, glowing a vivid blue.