| OTUS | Son of Poseidon and brother of Ephialtes in Greek mythology |
| ANTAEUS | A son of Poseidon and Gaia in Greek mythology noted for his strength (7) |
| PEGASUS | In Greek mythology, this winged horse was the son of Poseidon and Medusa |
| PELIAS | In Greek mythology, a son of Poseidon and Tyro (6) |
| TRITON | Sea god in Greek mythology, a son of Poseidon and Amphitrite (6) |
| NAUPLIUS | Son of Poseidon and the Danaid Amymone in Greek mythology, famed as a navigator (8) |
| OSSA | In Greek mythology, the mountain sandwiched between Olympus and Pelion by Otus and Ephialtes in an a |
| ZEUS | Greek god of the sky and thunder, brother of Poseidon and Hades (4) |
| AMPHITRITE | In Greek mythology, a sea goddess who was the wife of Poseidon and mother of Triton |
| POLYPHEMUS | In Greek mythology, the most famous of the Cyclopes (one-eyed giants), son of Poseidon, god of the sea, and the nymph Thoosa. He captured Odysseus and his 12 companions, who eventually blinded him. Wh |
| EREBUS | In Greek mythology, the god of darkness, son of Chaos and brother of Night |
| ORESTES | Son of Agamemnon and Clytemnestra and brother of Electra in Greek mythology (7) |
| APOLLO | In classical mythology, son of Zeus and Leto and brother of Artemis (6) |
| ESAU | In the Old Testament, son of Isaac and Rebecca and brother of Jacob |
| NIGHTMARE | After betraying his fellow Greeks at Sparta, Ephialtes of Trachis's name now means this in Greek |
| OLYMPIANS | Twelve -; gods of the Greek pantheon including Ares, Demeter, Hermes, Poseidon and Zeus (9) |
| NUTRITION | Greek character, son of Poseidon, acquiring independent nourishment (9) |
| LAERTES | Named after the father of Odysseus, the son of Polonius and brother of Ophelia in Hamlet (7) |
| ELI | Son of Archie and brother of Peyton, in football's Manning family |
| LAERTEU | Son of Polonius and brother of Ophelia in Shakespeare's Hamlet 1601 |
