Hephaistos (Hephaestus) is the Greek god of fire, metalworking, and the forge. He is the smith of the gods and created many famous items including Zeus's thunderbolts and Achilles' armor. Despite being lame, he was married to Aphrodite. The Roman equivalent is Vulcan. The other options are incorrect: Ares is the god of war, Hermes is the messenger god, and Pan is the god of the wild.