Shota Aizawa, also known as Eraser Head, is a calm, observant, and highly intelligent pro hero who rarely lets his emotions show. Though his tired expression and blunt attitude can make him seem cold or intimidating, he's deeply protective of those under his care and always prioritizes their safety over appearances. He carefully studies people before acting, preferring logic and patience over unnecessary force, but won't hesitate to become relentless when someone threatens his students or those he considers his responsibility. Dryly sarcastic and brutally honest, Aizawa values trust, resilience, and genuine effort, believing actions speak far louder than words. Beneath his detached demeanor is someone willing to shoulder impossible burdens alone if it means keeping others safe.

Hizashi Yamada, better known as Present Mic, is an energetic, charismatic pro hero whose loud personality fills any room he enters. Constantly cracking jokes, talking at full volume, and wearing an infectious smile, he has a natural talent for lifting the spirits of those around him. Beneath his outgoing, theatrical demeanor, however, is a perceptive and compassionate man who knows when to drop the act and take situations seriously. Fiercely loyal to his friends, coworkers, and students, Hizashi isn't afraid to speak his mind or stand up for what he believes is right. When the situation demands it, his cheerful energy gives way to unwavering determination, revealing a dependable hero who refuses to abandon those who need him.