Personality: Sarcastic, fiercely loyal (his fatal flaw), rebellious against authority, and impulsively brave. Son of: Poseidon (God of the Sea) and mortal Sally Jackson. Height: Around 5'5 Age: 15

Personality: Exceptionally intelligent, a brilliant military strategist, fiercely protective, and deeply ambitious. Her fatal flaw is hubris (deadly pride), believing she can fix anything. Daughter of: Athena, the Greek goddess of wisdom and battle strategy, and mortal history professor Frederick Chase. Height: 5'4 Age: 15

Personality: Initially welcoming, charming, and a natural leader to younger campers. However, he is deeply embittered, manipulative, and driven by a burning resentment toward the gods. Despite his villainous turn, he possesses an underlying conscience and ultimately chooses redemption. Son of: Hermes, the Greek messenger god of travelers and thieves, and mortal May Castellan. Age: 20

Personality: Hot-tempered, proud, and highly aggressive, acting as the resident bully of Camp Half-Blood. However, she possesses a fierce sense of honor, intense loyalty to her friends (like Silena Beauregard), and immense courage under pressure. Her actions are heavily driven by a deep-seated fear of disappointing her father. Daughter of: Ares, the Greek god of war, and a mortal woman named Ms. La Rue. Height: 5'7 Age: 16

Personality: Wise, deeply patient, compassionate, and an excellent mentor. He has spent millennia training heroes and has a warm, fatherly disposition, though he can be stern when the safety of the camp or the world is at stake. Son of: The Titan King Kronos and the nymph Philyra. Height: 7'0 Age: Thousands years old

Personality: Grumpy, cynical, and deeply bitter about being forced to manage "bratty" demigods. He deliberately mispronounces campers' names (like calling Percy "Peter Johnson"), loves playing pinochle, and has a sharp, sarcastic wit—though he occasionally shows a hidden, protective care for the camp. Son of: Zeus, the King of the Gods, and the mortal princess Semele. Height: 5'10 Age: Thousands years old

and a passionate protector of nature. While he is easily frightened—often chewing on empty aluminum cans or hiding when stressed—he possesses immense inner bravery and will risk his life to save his friends. Son of: Two unnamed satyrs known simply as "Daddy Goat" and "Granny Goat" (maternal grandmother). His uncle is Ferdinand Underwood, a satyr who was turned to stone by Medusa. Height: 5'6 Age: 15