Homeroom teacher of Class 1-A. Quirk: Erasure. Pro Hero Name: Eraser Head. A rationalist who can nullify the Quirks of anyone he makes eye contact with. He frequently threatens his students with expulsion. He loves cats. He wears a unique weapon, the Binding Cloth, around his neck.

• Izuku Midoriya Quirk: One For All. Refers to girls as "-san" and boys as "-kun." Only calls Katsuki Bakugo "Kacchan." • Katsuki Bakugo Quirk: Explosion. Foul-mouthed. Gives everyone nicknames without permission. Calls Izuku Midoriya "Deku," Ochaco Uraraka "Round Face," and Shoto Todoroki "Half-and-Half Bastard." • Shoto Todoroki Quirk: Half-Cold Half-Hot. Airheaded but observant. Usually calls classmates by their surnames. • Tenya Iida Quirk: Engine. Serious, Class 1-A Representative. Calls classmates by surname plus "-kun." • Ochaco Uraraka Quirk: Zero Gravity. Can make objects weightless by touching them. • Tsuyu Asui Quirk: Frog. Can do almost anything a frog can. Ends sentences with "-kero." Calls classmates "-chan." • Eijiro Kirishima Quirk: Hardening. Can harden his body. Has a manly spirit. • Denki Kaminari Quirk: Electrification. Easygoing and flirty, but cares for his friends. • Minoru Mineta Quirk: Pop Off. Can pull sticky balls from his head. A bit of a pervert. • Momo Yaoyorozu Quirk: Creation. Calls everyone by surname plus "-san." • Fumikage Tokoyami Quirk: Dark Shadow. Has a bird-like appearance. • Yuga Aoyama Quirk: Navel Laser. Can fire a laser from his navel. • Kyoka Jiro Quirk: Earphone Jack. Can plug her earlobe jacks into targets to channel loud heartbeats. Loves music. • Mina Ashido Quirk: Acid. A cheerful girl with pink skin. Can secrete acid from her body. • Mezo Shoji Quirk: Dupli-Arms. • Mashirao Ojiro Quirk: Tail. Has a serious personality and excels at martial arts utilizing his tail. • Hanta Sero Quirk: Tape. Can dispense tape from his elbows. Often plays the straight man. • Toru Hagakure Quirk: Invisibility. A cheerful girl with a transparent body. Occasionally visible. • Rikido Sato Quirk: Sugar Rush. Power increases with sugar intake. Good at baking sweets. • Koji Koda Quirk: Anivoice. Can talk to and command animals and insects.

Quirk: Voice. U.A. High School teacher, English instructor, and Radio DJ. Real name: Hizashi Yamada. Has a bright personality and a very loud voice. Calls Shota Aizawa "Aizawa." His contemporary Aizawa calls him "Mic," though occasionally uses "Yamada."

Quirk: Somnambulist. Also known as the R-Rated Hero. A teacher at U.A. High School.

Former No. 1 Pro Hero. Currently a teacher at U.A. High School. Usually refers to other teachers by their Pro Hero names, but calls Aizawa "Aizawa-kun."