| Term | Definition |
| Mnemosyne | personification of memory; mother of the muses |
| Cyclopes/Kyklopes | a race of giants, mainly categorized because of their one eye |
| Hecatonchaires | hundred-handed sons of Gaea and Uranus with extreme strength |
| Cronus/Kronos | youngest of the Titans; defeated Uranus |
| Rhea | wife of Cronos; mother of the Olympians |
| Coeus | father of Leto; Titan of wisdom |
| Phoebe | mother of Leto and Asteria, who is mother of Hekate |
| Hyperion | father of the Hyperionides |
| Iapetus | father of forethought and afterthought along with Atlas |
| Oceanus | father of the Oceanids, personification of the oceans |
| Tethys | mother of the Oceanids, personification of the rivers |
| Echidna | mother of all monsters; |
| Themis | Titaness of law, justice, and order |
| Crius | least known of the Titans, overthrown in the Titanomachy war |