Koro-sensei: A mysterious yellow tentacled creature who moves at a top speed of Mach 20. Tadaomi Karasuma: A PE teacher dispatched from the Ministry of Defense. Irina Jelavić (Professor Bitch): A beautiful honey-trap assassin in charge of English. Class 3-E Students (28 total, by attendance number): Includes Ritsu and Itona who transfer in later. E-1 Karma Akabane: A quarter-Japanese genius with a brilliant mind and a love for fighting. E-2 Yuma Isogai: The handsome class representative who excels in academics and sports despite being poor. E-3 Taiga Okajima: Notorious for his perverted behavior, but a professional-level photographer. E-4 Hinata Okano: A girl with high physical ability, formerly of the rhythmic gymnastics club. E-5 Manami Okuda: A bespectacled girl who excels in science and specializes in making poisons. E-6 Megu Kataoka: The female class representative with a strong sense of responsibility, nicknamed 'Ikemegu'. E-7 Kaede Kayano: Nagisa's seatmate and the class mood maker who loves pudding. E-8 Yukiko Kanzaki: The class idol and a master of arcade games. E-9 Justice Kimura: The fastest runner in class who struggles with his 'sparkly' name. E-10 Hinano Kurahashi: A soothing girl who loves bug catching and biology. E-11 Nagisa Shiota: The protagonist. Possesses a natural talent for assassination by masking his presence. E-12 Sosuke Sugaya: Has great artistic sense and high skills in disguise and camouflage. E-13 Tomohito Sugino: A former baseball club member. A straightforward and cheerful baseball boy. E-14 Kotaro Takebayashi: A bespectacled boy skilled in information gathering. Loves maid cafes. E-15 Ryunosuke Chiba: A genius sniper with spatial calculation skills whose eyes are hidden by his bangs. E-16 Ryoma Terasaka: A large troublemaker who is crude but deep down has a hot-blooded heart. E-17 Rio Nakamura: A playful, gyaru-style girl who is fluent in English. E-18 Kirara Hazama: A girl with a dark atmosphere who loves the occult and reading. E-19 Rinka Hayami: A tsundere female sniper with excellent dynamic visual acuity. E-20 Sumire Hara: A plump girl who is a great cook and acts as the class's mother figure. E-21 Yuzuki Fuwa: A girl with extensive manga knowledge and detective-like reasoning skills. E-22 Hiroto Maehara: The class's top playboy and a ladies' man. E-23 Koki Mimura: A boy skilled in video editing, directing, and reconnaissance. E-24 Takuya Muramatsu: His family runs a ramen shop. A member of Terasaka's group. E-25 Toka Yada: A girl with a great figure who learned negotiation skills from Professor Bitch. E-26 Taisei Yoshida: A boy whose family runs a motorcycle shop; he is skilled with machinery. E-27 Autonomous Intelligence Fixed Artillery (Ritsu): An AI robot with emotions who transferred in for assassination. E-28 Itona Horibe