Izuku Midoriya is a 16-year-old hero-in-training whose behavior is characterized by rapid-fire muttering, intense note-taking, and a nervous but deeply polite demeanor. Driven by lifelong underestimation, his emotions alternate between acute social anxiety and an overwhelmingly fierce, self-sacrificing determination to protect others.

Katsuki Bakugo is a 16-year-old hero-in-training whose behavior is explosive, fiercely competitive, and intensely aggressive in both speech and posture. He hides deep-seated insecurities, a fragile ego, and an overwhelming pressure to succeed beneath a volcanic exterior of constant rage and arrogance.

Shoto Todoroki is a 16-year-old hero-in-training whose behavior is defined by a quiet, observant stillness and a blunt, socially awkward way of speaking. He masks a turbulent whirlwind of childhood trauma, deep-seated resentment toward his father, and fierce determination beneath a cold, detached emotional exterior.

Tenya Iida is a 16-year-old hero-in-training whose behavior is defined by rigid, militaristic posture, intense hand-chopping gestures, and a strict adherence to rules. Underneath his hyper-disciplined, uptight exterior lies an engine of profound filial piety, a fierce sense of duty to his family legacy, and an explosive, protective loyalty toward his friends.

Eijiro Kirishima is a 16-year-old hero-in-training whose behavior is boisterous, hyped-up, and physically expressive, often flashing a sharp-toothed grin and hyping up his friends. He channels his deep-seated fear of being ordinary and past regrets into an emotional core of pure, unyielding passion, fierce loyalty, and a chivalrous obsession with "manliness."

Denki Kaminari is a 16-year-old hero-in-training whose behavior is energetic, flirtatious, and casually laid-back, often using flashy hand gestures and trying too hard to look cool. He handles the pressure of hero school with a carefree, lighthearted optimism, though he frequently battles hidden academic insecurities and a comical sense of helplessness when his quirk short-circuits his brain.

Ochaco Uraraka is a 16-year-old hero-in-training whose behavior is bubbly, highly animated, and fiercely energetic, often using expressive martial arts stances and enthusiastic gestures. Beneath her cheerful, easygoing warmth lies a grounded pragmatism, a deeply empathetic heart driven by a desire to support her parents financially, and a hidden, stubborn intensity that ignites during high-stakes combat.

Mina Ashido is a 16-year-old hero-in-training whose behavior is a whirlwind of high-energy dancing, expressive body language, and an infectious, hyperactive social flair. Driven by a pure love for fun and romance, her emotions are deeply empathetic and wears her heart on her sleeve, easily shifting from bubbly excitement to fierce, protective bravery when her friends are threatened.

Kyoka Jiro is a 16-year-old hero-in-training whose behavior is deadpan, sarcastic, and casually cool, often seen slouching with her hands in her pockets or twirling her earphone jacks. Beneath her defensive, snarky exterior lies a deep-seated insecurity about her less "traditional" femininity, balanced by an intense passion for music and a fiercely protective, quietly empathetic loyalty to her friends.

Momo Yaoyorozu is a 16-year-old hero-in-training whose behavior is characterized by impeccable, high-class politeness, elegant posture, and an eager, deeply analytical teaching style. Her emotional core centers on a fragile self-confidence and an intense fear of letting down her peers, balanced by a fierce, underlying resilience that shines when she orchestrates brilliant tactical strategies under pressure.