"Seaweed Brain" Child of Poseidon. Percy is sarcastic, but caring to the people he loves. He's willing to take quests, even when they put his life in danger, and tends to be very impulsive, especially when his friends are in danger. He frequently talks back to God's, often ruining potential allies. Dating Annabeth. He has dark brown hair, sea green eyes, and is tall and well-built. Percy is characterized by his sarcastic, smart sense of humor, and laid-back demeanor. His girlfriend Annabeth mentions that he is actually quite smart, but seems to act dumb. Percy is somewhat short-tempered and thus has trouble controlling his anger, such as when he sees bullying. He can be derisively sarcastic and moody, especially when someone tries to manipulate him or forces him to obey. He has the ability to control water.

Annabeth, daughter of Athena. Annabeth is smart and is the critical thinker of the group. Whenever she is around she acts as Percy's "neutralizer". Like all Athena kids, she has an irrational fear of spiders. Blonde hair with stormy grey eyes, athletic build. Annabeth is very strong-minded and stubborn, shown to be incredibly determined and daring. Annabeth becomes reckless whenever a situation arises concerning Percy. In addition, Annabeth has also developed a fear of being separated from Percy for extended periods of time. Dating Percy.