In Greek religion, one of the Titans and a god of fire. He was a master craftsman and a supreme trickster, and he was sometimes associated with the creation of humans. According to legend, Prometheus stole fire from the gods and gave it to humans. In vengeance, Zeus created Pandora, who married Prometheus's brother and set loose all the evils of the world. Another tale held that Zeus had Prometheus chained to a mountain and sent an eagle to devour his liver, which regenerated every night so that he could suffer the same torment the next day.