Demi-god son of Poseidon, destined hero with water manipulation powers and a quest to prevent divine war.
Poseidon is Percy's divine father and a distant but protective influence.
Percy learns at Camp Half-Blood that he is Poseidon's son. Poseidon later communicates with Percy telepathically and protects him from the lotus flowe...
Hades is Percy's hostile divine uncle.
Hades identifies himself as Percy's uncle when he appears to Percy and claims that the bolt was taken to the Underworld.
Their friendship supports Percy throughout the quest.
Grover is described as Percy's best friend and remains with him through the journey to the Underworld.
Percy and Annabeth become central partners during the quest.
Percy, Grover, and Annabeth travel together to recover the pearls and enter the Underworld.
Luke initially presents himself as a helpful camp ally.
Luke gives Percy a map, winged shoes, and a shield to help him reach the Underworld.
Percy defeats Medusa to advance the quest.
At a New Jersey garden center, Percy decapitates Medusa and takes a green pearl from her corpse.
Chiron guides Percy from ordinary student to prepared demigod.
Mr. Brunner helps scare off the attacker at the museum, gives Percy a pen that is a magical sword, and later trains him at Camp Half-Blood.
Zeus places the central accusation and deadline upon Percy.
Zeus accuses Percy, Poseidon's demigod son, of stealing the master bolt and threatens war unless it is returned.
Gabe represents the hostile mortal home Percy escapes.
The plot describes Gabe as Percy's abusive stepfather, whom Percy leaves behind while traveling to Camp Half-Blood.
Persephone briefly supports Percy by transferring the decisive item to him.
Persephone gives the master bolt to Percy after turning against Hades.
Related entry on Wikidata (Q3899725), public domain (CC0).