People
Kicked out of Yancy Academy
Percy
In control of the sky
Zeus
Mrs. Dodds is one of them
Furies
Grover is one of these
Satyr
City where Percy lives
New York
Works at the candy store in Grand Central station
Sally Jackson
Created horses
Poseidon
Half bull half man
Minotaur
Percy has to visit it to know his future
The Oracle
The water park is located here
Denver
His odor masks Percy from the monsters
Smelly Gabe
Wears trapped souls for clothing
Hades
Turns people to stone
Medusa
Chiron is one of these
Centaur
There is a famous arch that Percy falls from
St. Louis
Master swordsman; allies with Ares
Luke
Trapped his wife and Ares in a golden net
Hephaestus
Guards the Underworld and plays with rubber balls
Cerberus
He has eyes all over his body
Argus
The lowest depths of the Underworld
Tartarus
Was turned into a pine tree
Thalia
Stays in the Underworld six months a year
Persephone
The mother of monsters
Echidna
These girls live underwater. One gives pearls to Percy
Naiad
Where you go if you reach Elysium three times
Isles of the Blessed