The sea of monsters
by Rick Riordan
Main Characters of the Sea of Monsters
Percy Jackson - Son of Poseidan ( Neptune )
Annabeth Chase - daughter of Athena and fellow comrade of Percy and Grover.
Athena - Goddess of wisdom
Grover Underwood - Styx and best friend of percy
Luke Castellan - Son of Hermes
Hermes - Messager or gods
Chiron - The great Teacher
Tyson - Cyclops and brother of Percy and son of Poseidan ( Neptune )
Poseidan - God of the sea and earth quakes ,nickname "The Earth Shaker"
Shorty after Percy was "claimed" by his father Poseidan , Zeus the god of the sky and ruler of gods accused Percy of stealing his lightning bolt and the same thing for Hades but for Hades it was his helmet of darkness. Hades is the god of underworld or the dead for short.
Percy ends up proving his innocence by bring back the helmet and the lightning bolt to their original owners . Throughout the adventure Percy met many people from many different backgrounds .