Hephaestus

Hephaestus was one of the 12 Olympian gods, he was the god of fire and divine smith. With Athena, he was the patron of handicrafts. He was the creator of all beautiful and mechanically wonderful in Olympus, especially arms and armor for the gods. In general, he was a beneficent god. He was much loved by mortals and gods alike for his kindness and his skill in peaceful arts. Some say that Hepheastus was the son …

…used his flame as a weapon in the Trojan war. During the giants’ revolt he had slain the giant Clytius by smiting him with a mass of red-hot iron. He was also the god of metals and metallurgy. He ruled over volcanoes, which were his workshops, where he worked with his assistants, the Cyclopes (this at least was the version in the later legends). Thetis turned to him when he wanted arms forged for Achilles.