In Greek mythology, according to Classics scholar Elizabeth Vandiver, Titans were Greek gods who were the children of the primordial gods Gaia and Ouranos, and who preceded the Olympians such as Zeus,Hera, Apollo and Athena.
The Titans included: Oceanus, Hyperion, Coeus, Cronus, Crius, Iapetus, Mnemosyne, Tethys, Theia, Phoebe, Rhea,Themis, Eos, Helios, Selene, Leto, Asteria, Atlas, Prometheus (who helped mankind), Epimetheus, Menoetius, Astraeus, Pallas, and Perses.