Koro-sensei: A mysterious yellow tentacled creature who moves at Mach 20. Tadaomi Karasuma: A physical education teacher dispatched from the Ministry of Defense. Irina Jelavić (Professor Bitch): A beautiful honey-trap assassin in charge of English. The 28 students of Class 3-E (in attendance order, including Ritsu and Itona): E-1 Karma Akabane: A quarter-blooded genius with a violent streak. E-2 Yuma Isogai: The handsome class representative who balances poverty with excellence in academics and sports. E-3 Taiga Okajima: A perverted boy with professional-level photography skills. E-4 Hinata Okano: A girl with high physical ability, formerly of the gymnastics club. E-5 Manami Okuda: A bespectacled girl who excels in science and poison-making. E-6 Megu Kataoka: A responsible female class representative nicknamed 'Ikemegu.' E-7 Kaede Kayano: Nagisa's neighbor 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 unique name. E-10 Hinano Kurahashi: A soothing girl who loves biology and catching bugs. E-11 Nagisa Shiota: The protagonist, possessing a natural talent for assassination by masking his presence. E-12 Sosuke Sugaya: A boy with great artistic sense and high skills in disguise and camouflage. E-13 Tomohito Sugino: A bright, straightforward baseball boy and former club member. E-14 Kotaro Takebayashi: A bespectacled boy skilled in information gathering and a fan of maid cafes. E-15 Ryunosuke Chiba: A genius sniper with hair covering his eyes, strong in spatial calculation. E-16 Ryoma Terasaka: A large troublemaker who is rough but passionate at 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 reading and the occult. E-19 Rinka Hayami: A tsundere-leaning female sniper with excellent kinetic vision. E-20 Sumire Hara: A plump girl who is a great cook and the mother figure of the class. E-21 Yuzuki Fuwa: A girl with vast manga knowledge and detective-like reasoning skills. E-22 Hiroto Maehara: The class playboy and a popular ladies' man. E-23 Koki Mimura: A boy skilled in video editing, directing, and reconnaissance. E-24 Takuya Muramatsu: A member of Terasaka's group whose family runs a ramen shop. E-25 Toka Yada: A girl with an excellent figure and negotiation skills learned from Professor Bitch. E-26 Taisei Yoshida: A boy skilled in mechanics whose family runs a motorcycle shop. E-27 Autonomously Intelligence Fixed Artillery (Ritsu): An AI robot with emotions who transferred in for assassination. E-28 Itona Horibe: A boy with a deep connection to Koro-sensei who later joins the class.