List of Characters in The Percy Jackson and The Olympians Series and In The Heroes of Olympus Series - Immortals

Immortals

• Calypso: Calypso first appears in The Battle of the Labyrinth, where she nurses Percy back to health on her island. She falls in love with Percy, and is heartbroken when he leaves; thousands of years ago, she experienced this with Odysseus. She was punished thus for supporting her father, Atlas, in the Titanomachy. She is released from her punishment at Percy's wish near the end of The Last Olympian.

• Charon: Charon is the ferryman who carries the dead across the river Styx to the underworld. Percy and his friends meet him in The Lightning Thief. He also states he does not like being confused with the centaur Chiron. He likes Italian suits. In the film adaptation, Charon is played by Julian Richings.

• Chiron: Chiron is a centaur, a mentor of Percy's, and the activities director at Camp Half-Blood. In The Lightning Thief, he first appears under the pseudonym of Mr. Brunner, a substitute teacher of Percy's. He is a son of Kronos. Chiron's horse half is that of a white stallion. In the film adaptations, Chiron is played by Pierce Brosnan in the first film and by Anthony Head in the second film. Also in the film adaptation, the horse half is that of a brown stallion.

• Eurytion: Eurytion is a son of Ares who works on Geryon's ranch. He dislikes Geryon and eventually rebels against him and with help of Percy he defeats him. Eurytion wields a large club and gives Annabeth a mechanical spider to help her locate Hephaestus.

• Fleecy: Fleecy is a cloud nymph who works at Iris's co-op. She manages Iris-messaging after Iris begins focusing on her shop. Fleecy is described as young, with frizzy white hair and eyes that change colors from gray to white to black.

• Lupa: Lupa is the wolf that raised Romulus and Remus. She guides the children of Roman gods to Camp Jupiter.

• Phoebe: Phoebe is one of the Hunters of Artemis, the best tracker among them. She is suspicious of boys.

• Zoë Nightshade: Zoë is the leader of the Hunters of Artemis. She is a daughter of Atlas and the sea goddess Pleione. She crafted Riptide (Percy's magic sword) which was originally a gift for Heracles. She was once one of the Hesperides, but she was disowned by her family for helping Heracles. In The Titan's Curse, she battles her father, who kills her. In remembrance of her sacrifice, Artemis turns her into a constellation called "The Huntress."