Hephaestus

 (ヘファイストス) is a one of the male gods, a Blacksmith. He's a petite muscular old man.

History
He was lured by the smell of Agni's beer and intrudes at the moment an offering from Mokuda is happening. He then gave Sui blessings in exchange of receiving goods from another world as offerings. He's addicted to high frequency liquor mainly. In cooperation with Vahagn, he gave Mokuda a skill and a national treasure-like magic tool for the undead, "Sei Engraved" [3].