Atlas was the son of Iapetus and Clymene. He was the leader of the Titans in their battle against the Olympian Gods. The Titans were defeated and all but Atlas were confined to Tartarus, a section of the Underworld. Atlas's punishment was to carry the sky upon his shoulders throughout eternity. During one of his 12 famous labors, the great hero Heracles took the burden from the shoulders of Atlas so that the Titan could fetch for him the golden apples of the Hesperides. When Atlas returned, Heracles tricked him into taking back the weight of the heavens.