Across
- 3. main villain
- 4. Grover plays them
- 8. Thalia got turned into one
- 9. villain
- 10. god
- 12. god of messages
- 15. Percy's friend
- 16. a place under the ground
- 18. god of the sky
- 19. god of wine
Down
- 1. god of the under world
- 2. satyr
- 5. Percy's father
- 6. a lightening bolt shaped stick used to control the sky
- 7. god of the sky
- 11. son of Kronos; centaur
- 12. a growling, grumbling creature with rabies
- 13. demigod
- 14. main character
- 17. a golden coin that you use to send messages