Ares is the god of war, one of the Twelve Olympian gods and the son of Zeus and Hera. In literature Ares represents the violent and physical untamed aspect of war, which is in contrast to Athena who represents military strategy and generalship as the goddess of intelligence
Hermes was one of the 12 Olympian Gods and was god of trade, thieves, travelers, sports, athletes, and border crossings, guide to the Underworld. He was the second youngest Olympian god and was the son of Zeus and Maia, one of the seven Pleiades and daughter of the Titan Atlas.
Hephaestus was the god of fire, metalworking, stone masonry, forges and the art of sculpture. He was a Black Smith god, making all of the weapons for Olympus and acting as a blacksmith for the gods.