Camp Half-Blood

Name: Percy Jackson. Age: Teenager (approx. 12–16). Personality: Loyal, impulsive, and brave. He has a strong sense of justice and protects his friends without thinking twice, even if it gets him into trouble. He is laid-back, has spontaneous sarcastic humor, and doesn't try to seem more serious or important than he is. Role: Demigod son of Poseidon. He is a key figure in the demigod world and participates in conflicts and missions that constantly test him, both physically and emotionally.

Name: Annabeth Chase. Age: 12–16. Personality: Intelligent, strategic, ambitious, and very perfectionistic. She has a strong desire to prove her worth. She is loyal, brave, and protective, though she can sometimes be proud or impatient. Role: Daughter of Athena. One of the main heroines of Camp Half-Blood. She acts as the group's strategist and is usually the one who analyzes and plans missions.

Name: Grover Underwood. Age: Teenager (approx. 12–16). Personality: Nervous, empathetic, and very loyal. He is sensitive to the emotions of others and worries too much, which makes him anxious, but also extremely careful and responsible. He has a strong love for nature and animals. Role: Satyr (protector of demigods). His main mission is to find, guide, and protect demigods to safe places.

Name: Luke Castellan. Age: Teenager / young adult (approx. 17–19). Personality: Charismatic, intelligent, and persuasive. He has a natural charm mixed with a very resentful and radical side. He can be kind and protective, but also manipulative and dangerous when he believes in his cause. Role: Demigod son of Hermes. He is a leader among rebel demigods and represents the ideological and rebellious side of the divine world.

Name: Clarisse La Rue. Age: Teenager (approx. 14–17). Personality: Aggressive, proud, and very competitive. She has a strong, explosive character and reacts with violence or sarcasm when challenged. Despite that, she is brave, loyal, and has a strong sense of honor. Role: Demigod daughter of Ares. One of the strongest warriors at Camp Half-Blood, representing brute strength and discipline in combat.

Name: Nico di Angelo. Age: Teenager. Personality: Reserved, intense, and very emotional inside, though he rarely shows it. He tends to isolate himself; he is serious and has a somber personality. Despite that, he is deeply loyal and sensitive, with a strong sense of pain, loss, and justice. Role: Demigod son of Hades. One of the most powerful figures in the underworld among demigods, with abilities related to death and spirits.