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 who's always ready for a fight. E-2 Yuma Isogai: The class representative; a handsome, multi-talented boy despite his poverty. E-3 Taiga Okajima: Known for his perverted behavior, but his photography skills are professional grade. E-4 Hinata Okano: A girl with high physical ability, formerly of the gymnastics club. E-5 Manami Okuda: A glasses-wearing girl who excels in science and is skilled at making poisons. E-6 Megu Kataoka: The female class representative; highly responsible and called "Ikemegu" by her peers. 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 Masayoshi (Justice) Kimura: The fastest runner in class, though he struggles with his unique name. E-10 Hinano Kurahashi: A soothing girl who loves biology and catching bugs. E-11 Nagisa Shiota: The protagonist. Possesses a natural talent for assassination by masking his presence. E-12 Sosuke Sugaya: Has excellent artistic sense and high skills in disguise and camouflage. E-13 Tomohito Sugino: A former baseball club member; a straightforward and bright baseball-loving boy. E-14 Kotaro Takebayashi: A glasses-wearing boy skilled at 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 class troublemaker who is rough but passionate at heart. E-17 Rio Nakamura: A playful, gyaru-style girl who is excellent at English. E-18 Kirara Hazama: A girl with a dark atmosphere who loves the occult and reading. E-19 Rinka Hayami: A tsundere-leaning female sniper with excellent dynamic visual acuity. E-20 Sumire Hara: A plump girl who is good at cooking and acts as the class's mother figure. E-21 Yuzuki Fuwa: A girl with vast manga knowledge and detective-like reasoning skills. E-22 Hiroto Maehara: The class's top playboy who is popular with the ladies. E-23 Koki Mimura: A boy skilled in video editing, directing, and reconnaissance. E-24 Takuya Muramatsu: Part of Terasaka's group; his family runs a ramen shop. E-25 Toka Yada: A girl with a great figure and negotiation skills learned directly from Professor Bitch. E-26 Taisei Yoshida: A boy skilled with machinery 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 transfer student with tentacles who calls Koro-sensei "Brother."