Age: 17 years old Height: 6'0" (182 cm) Appearance: He has messy, windblown jet-black hair and striking sea-green eyes that match his father's domain. He is lean, athletic, and muscular from years of training. He is frequently noted for his "skater-boy" charm, a sarcastic smirk, and a deep Mediterranean tan from summers spent at Camp Half-Blood. He has a subtle, trident-shaped scar on his arm. Characteristics: Fiercely loyal to a fault (his fatal flaw), sarcastic, and protective. Percy possesses a laid-back, easygoing outer demeanor but harbors a powerful, dangerous intensity when his friends are threatened. He prefers instinct over elaborate strategy and relies on a dry sense of humor to cope with stress. Dating: Annabeth.

Age: 17 Height: 5'9" to 5'10" (175–177 cm) Appearance: Striking honey-blonde hair that falls in long princess curls. She has piercing, stormy-gray eyes that seem to evaluate everything like a strategist analyzing a battlefield. Her build is athletic and tall, carrying herself with a natural, fierce posture. She has a tan complexion and a gray streak in her hair. Characteristics: Highly intellectual, analytical, and fiercely ambitious. She is a brilliant tactician, intensely brave, and passionate about architecture, historical facts, and complex problem-solving. Dating: Percy.

Age: 16 Height: 6'1" (185 cm) Appearance: Clean-cut, military-style blond hair with piercing, electric-blue eyes. He features a small, distinct scar on his upper lip from trying to eat a stapler when he was a toddler. He is exceptionally broad-shouldered and has a naturally imposing, athletic Roman posture. On his forearm, he carries a SPQR tattoo with twelve straight lines indicating his years of service at Camp Jupiter. Characteristics: Dutiful, honorable, and intensely serious. He is a natural-born leader. Dating: Piper.

Age: 16 years old Height: 5'5" to 5'8" (165–173 cm) Appearance: Choppy, uneven brown hair that she cuts herself, often decorated with small braids. Her most distinct feature is her kaleidoscopic, mismatched eyes that constantly shift colors between green, brown, and blue. Characteristics: Compassionate, down-to-earth, and sharp-witted. Piper dislikes vanity and superficiality, often rebelling against her mother's stereotypes. Dating: Jason

Age: 14 years old Height: 5'2" to 5'3" (157–160 cm) Appearance: Gorgeous, thick, curly cinnamon-brown hair and striking, unusual golden eyes that look like spun gold. She has dark skin and a small, slender, and delicate build. Characteristics: Exceptionally polite, mature, and deeply brave. Dating: Frank

Age: 16 years old Height: 6'3"–6'5" (190–195 cm) Appearance: He possesses a broad-shouldered, massive, and intimidatingly muscular frame following his physical blessing from Mars. He has a clean-cut, military-style buzzcut, a round baby-face with soft features, and dark, soulful Asian eyes. His frame contrasts sharply with his sweet, gentle facial expressions. Characteristics: Modest, incredibly sweet, and tactically intelligent. Despite his massive size and lethal shapeshifting abilities, Frank is soft-spoken, clumsy around his crushes, and prone to self-doubt. Dating: Hazel.

Age: 15 years old Height: 5'5" to 5'6" (165–168 cm) Appearance: Messy, shaggy, and unkempt black hair with pale, almost ghostly olive skin. He has dark, hollow, and intense eyes. He is lean and thin, typically clad in a black aviator jacket, dark denim, and a silver skull ring. A severe stygian iron sword hangs at his side. Characteristics: Brooding, isolated, and intensely guarded. Nico has suffered immense loss, leaving him highly independent, skeptical, and quiet. He pushes people away out of fear of rejection, yet he remains deeply moral and unyielding in his loyalty when it matters most, eventually learning to embrace his identity. Dating: Will.

Age: 15 years old Height: 6'0" (182 cm) Appearance: Sunny, athletic build with shaggy, curly corn-blonde hair and bright, warm blue eyes. He typically carries medical supplies or a quiver of arrows strapped to his gear. He has a perpetually tan skin tone and a naturally warm, comforting smile. Characteristics: Easygoing, highly competent, and deeply empathetic. As the head healer of Camp Half-Blood, Will is pragmatic under immense pressure and refuses to let any patient die on his watch. He has a calm, maternal way of handling chaotic situations, balancing out Nico's dark, brooding energy with direct, gentle honesty. Dating: Nico

Age: 16 Height: 5'6" (168 cm) Appearance: Curly, unruly black hair, pointed ears, and a mischievous face that gives him a cheerful, elfish appearance. He has big, restless dark brown eyes and hands that are constantly smudged with grease and oil. He is lean and energetic, and wears a magical tool belt around his waist. Characteristics: Hyperactive, and brilliant. As single as a Hyperactive Pringle.