Across
- 2. Echidna's son or her "dog." Poisoned Percy with strong venom,threw fire at him.
- 5. Percy's best friend, a saytr, went on the quest with Percy so that he could earn his seacher's license and then find Pan.
- 6. Owns a waterbed store, traps people in the waterbeds and make the waterbed slowly stretch their limbs until they die.
- 9. Goes on the quest with Percy, went with Thalia on her journey to Camp Half-Blood, daughter of Athena.
- 12. The mother of all monsters, sent by Zeus, disguised herself as a human and tried to kill Percy.
- 14. God of the underworld, thought that Percy stole the helm of darkness, captured Sally for leverage against Percy.
- 15. Someone who was turned into an ugly monster by Athena and Medusa has the power to turn humans to statues with her eyes. She disguised herself as "Aunty Em" and then tried to kill Percy, Annabeth and Grover but Percy cut off her head before that.
- 16. A primidorial god that wants revenge on the world, so he tried to cause a war, and is trying to escape the pit in the Entrance to Tartarus.
Down
- 1. Camp director, Percy's mentor, used to train Greek heroes, a centaur.
- 3. Percy's mother, married Gabe to protect Percy, dated Poseidon and then had Percy
- 4. The troubled main character and a son of Poseidon, has to go on a quest or face death.
- 7. Daughter of Zeus, went on a journey to Camp Half Blood with Grover, Annabeth and Luke, monsters that were sent from Hades tried to kill her, and they succeded. Zeus turned her into a pine tree.
- 8. Furies Mrs. Dodds' sisters, servants of Hades, were on the Greyhound bus because they wanted to find Percy.
- 10. The ferryman who transports the dead into the underworld, was bribed by Percy with golden drachmas.
- 11. Poker player, Percy's stepfather, married Sally, has an appliance store.
- 13. Percy's counselor, his friend, betrayed Percy to obey Kronus, stole the lightning bolt and helm of darkness.