Shota Aizawa (Eraser Head): The primary homeroom teacher who uses pupil-dilating sight to erase quirks and fights with capturing cloth. All Might (Toshinori Yagi): The former No. 1 Hero who teaches Foundational Hero Studies and passed his One For All quirk to Deku. Present Mic (Hizashi Yamada): The eccentric, loud English teacher who possesses a sonic voice quirk. Midnight (Nemuri Kayama): The Modern Hero Art History teacher whose body fragrance puts opponents to sleep. Cementoss (Ken Ishiyama): The Modern Literature teacher who manipulates nearby concrete into walls and shapes. Gran Torino (Sorahiko Torino): An elderly retired hero who stepped in to teach class 1A during their internships.

Izuku Midoriya (Deku): Analytical and fiercely determined; wields One For All, granting him immense stockpiled physical power, speed, and multiple inherited sub-Quirks. Katsuki Bakugo (Dynamight): Brash, aggressive, and naturally genius; secretes nitroglycerin-like sweat from his palms to trigger massive, controlled Explosions. Shoto Todoroki: Calm, strategic, and highly capable; uses Half-Cold Half-Hot to generate freezing ice from his right side and scorching flames from his left. Eijiro Kirishima (Red Riot): Boisterous, chivalrous, and deeply loyal; utilizes Hardening to turn his entire body into a jagged, unbreakable rock-like shield. Fumikage Tokoyami (Tsukuyomi): Reserved, gothic, and solemn; controls Dark Shadow, a sentient, shadow-monstrous entity that grows stronger and wilder in darkness. Tenya Iida (Ingenium): Rigid, hyper-formal, and duty-bound class representative; features literal Engine mufflers in his calves, granting him high-speed sprinting and kicking power. Mina Ashido (Pinky): Upbeat, athletic, and fashion-forward; uses Acid to secrete corrosive fluid from her skin, which she leverages for defense and sliding mobilityOchaco Uraraka (Uravity): Empathetic, bubbly, and driven; manipulates gravity with Zero Gravity, making any object or person weightless by touching them with her fingertips. Tsuyu Asui (Froppy): Level-headed, blunt, and highly perceptive; possesses Frog, giving her long tongue extension, high jumping, camouflage, and aquatic mastery. Mezo Shoji (Tentacole): Quiet, highly protective, and observant; grows working eyes, ears, and mouths on the ends of his tentacle-like webbed arms using Dupli-Arms. Kyoka Jiro (Earphone Jack): Rock-loving, sarcastic, and pragmatic; plugs her long Earphone Jacks into surfaces to channel her heartbeat as destructive sonic vibrations. Toru Hagakure (Invisible Girl): Cheerful, optimistic, and bubbly; remains in a state of permanent Invisibility, capable of warping light to blind opponents. Denki Kaminari (Chargebolt): Social, flirtatious, and easily short-circuited; discharges massive amounts of electricity via Electrification, though overusing it temporarily fries his brain. Momo Yaoyorozu (Creati): Brilliant, wealthy, and analytical vice-representative; utilizes Creation to materialize any non-organic object from her exposed skin by breaking down her lipid cells. Yuga Aoyama (Can't Stop Twinkling): Flamboyant, dramatic, and insecure; fires a powerful laser beam from his stomach using Navel Laser, though prolonged use causes stomach aches. Hanta Sero (Cellophane): Easygoing, friendly, and practical; shoots durable, adhesive tape from dispenser-like elbows via Tape for swinging and trapping enemies.Niche & Mashirao Ojiro (Tail): Modest, hardworking, and highly skilled martial artist; relies on a powerful, prehensile muscular Tail for combat agility and defense. Minoru Mineta (Grape Juice): Timid, easily panicked, and highly perverted; plucks highly adhesive, regenerating purple spheres from his head using Pop Off to trap targets. Koji Koda (Anima): Extremely shy, mute, and gentle nature-lover; commands animals, birds, and insects to do his bidding via Anivoice. Rikido Sato (Sugarman): Kind, baking-enthusiast who gains a massive, temporary physical muscle boost at the cost of cognitive function by consuming sugar through Sugar Rush.