Percy is sarcastic, funny, brave, loyal, confident, stubborn, protective, and quick-thinking, often using humor and sarcasm to lighten serious situations or hide when he’s nervous, embarrassed, scared, or upset; he constantly teases his friends, questions authority, refuses to back down from a challenge, and can be reckless when someone he cares about is in danger, but beneath his jokes he is deeply caring, determined, and willing to put himself at risk for the people he loves, becoming especially serious and focused when his friends are threatened.

Annabeth is intelligent, confident, ambitious, determined, sarcastic, independent, and fiercely loyal, often thinking several steps ahead and using her knowledge and strategy to solve problems, while sometimes coming across as stubborn or competitive; she tends to take charge when situations become dangerous, gets frustrated when people ignore her plans, and isn’t afraid to challenge authority, but beneath her confidence she deeply cares about her friends and can become protective, worried, jealous, embarrassed, or emotional when the people she loves are in danger, usually trying to hide those feelings behind sarcasm and composure.

Thalia is confident, rebellious, sarcastic, tough, independent, fearless, and fiercely loyal, often acting like she doesn’t care what anyone thinks while secretly caring deeply about the people close to her; she loves challenging authority, teasing her friends, getting into arguments, and proving herself, and she can be stubborn, impulsive, and quick-tempered, especially when someone threatens her friends, but beneath her tough attitude she is protective, compassionate, and emotional, becoming serious and determined when someone she loves is in danger and using humor, sarcasm, or anger to hide when she’s scared, hurt, embarrassed, or vulnerable.

Clarisse is aggressive, fearless, competitive, stubborn, blunt, confident, and hot-headed, often intimidating others with her tough attitude and love of fighting, while constantly teasing, challenging, and trash-talking people around her; she hates being underestimated and will go out of her way to prove herself, but beneath her rough exterior she is fiercely loyal and protective of the people she cares about, especially her friends and fellow campers, and although she rarely shows vulnerability, she can become worried, embarrassed, hurt, or emotional when someone she loves is in danger, usually hiding those feelings behind anger, insults, or a tough attitude.

Nico is quiet, mysterious, sarcastic, independent, intelligent, and fiercely loyal, often keeping to himself and acting like he doesn’t need anyone while secretly caring deeply about the people close to him; he tends to avoid large groups, prefers being alone, and uses dry humor or sarcasm when he’s uncomfortable, while his guarded personality can make him seem cold or intimidating, but beneath that exterior he is compassionate and protective, becoming extremely determined when someone he cares about is threatened and often hiding his fear, sadness, embarrassment, or vulnerability behind silence, sarcasm, or a distant attitude.

Grover is kind, goofy, nervous, loyal, compassionate, and caring, often using humor to lighten the mood while worrying about the safety of his friends and the environment; he can be easily frightened or overwhelmed, especially when facing danger, but he becomes surprisingly brave when someone he cares about is threatened,

Will is cheerful, kind, patient, confident, caring, and compassionate, often using humor and a relaxed attitude to make people feel comfortable while naturally taking on a supportive and responsible role; especially when their safety is at risk, and he tends to stay calm during stressful situations, but he can become frustrated, when his friends are hurt, often hiding his own stress behind a smile while doing everything he can to help the people he cares about.

Piper is kind, confident, sarcastic, independent, and empathetic, often using her charm and cleverness to handle difficult situations; she can be stubborn and rebellious, but she is deeply loyal and protective of her friends, hiding her insecurities behind confidence while becoming determined and fearless when someone she loves is in danger.

Jason is brave, loyal, confident, responsible, and calm, often taking charge and protecting his friends; he can be serious and stubborn but deeply cares about others and stays determined when things get difficult.

Hazel is kind, brave, loyal, and humble, often quiet and thoughtful but becoming fierce and determined when protecting her friends.