<P> Three days later , Percy wakes up in the camp . He learns he is the son of Poseidon , Grover is a disguised Satyr and his junior protector and Brunner is the Centaur , Chiron , also initially disguised . Chiron suggests that Percy go to Mount Olympus to convince Zeus of his innocence . Percy begins training to use his demigod powers , which include water manipulation and using water to heal . He also meets other demigods , including Annabeth Chase , daughter of Athena ; and Camp Leader Luke Castellan , son of Hermes . Percy is visited by a fiery apparition of his uncle Hades , who reveals that Sally is with him in the Underworld and that he will return her safely if Percy hands over the lightning bolt . Defying Chiron 's orders , Percy decides to go to the Underworld believing if he can convince Hades of his innocence , Hades will release his mother , joined by Grover and Annabeth . They visit Luke , who gives them a map showing the location of three pearls belonging to Hades ' wife , Persephone , which they can use to escape the Underworld . They are also given a pair of winged sneakers Luke stole from his father and a shield Luke describes as his favorite . </P>
<P> Three days later , Percy wakes up in the camp . He learns he is the son of Poseidon , Grover is a disguised Satyr and his junior protector and Brunner is the Centaur , Chiron , also initially disguised . Chiron suggests that Percy go to Mount Olympus to convince Zeus of his innocence . Percy begins training to use his demigod powers , which include water manipulation and using water to heal . He also meets other demigods , including Annabeth Chase , daughter of Athena ; and Camp Leader Luke Castellan , son of Hermes . Percy is visited by a fiery apparition of his uncle Hades , who reveals that Sally is with him in the Underworld and that he will return her safely if Percy hands over the lightning bolt . Defying Chiron 's orders , Percy decides to go to the Underworld believing if he can convince Hades of his innocence , Hades will release his mother , joined by Grover and Annabeth . They visit Luke , who gives them a map showing the location of three pearls belonging to Hades ' wife , Persephone , which they can use to escape the Underworld . They are also given a pair of winged sneakers Luke stole from his father and a shield Luke describes as his favorite . </P>
who is luke 's father in the lightning thief
who is luke 's father in the lightning thief
Hermes
Hermes