Koro-sensei Features: A mysterious octopus-like super-creature capable of moving at a maximum speed of Mach 20. Although he is an assassination target threatening to destroy the Earth, he is the best teacher—more dedicated and warm to his students than anyone else. Abilities: Possesses transcendent regenerative and flight capabilities. His face color and patterns change according to his emotions (e.g., gold with a circle for correct answers, stripes when mocking, etc.). Male

Personality: A cool-headed and reliable soldier. * Height: Approx. 185cm * Class: Class E Physical Education Teacher * Gender: Male * Codename: Instructor Karasuma

Irina Jelavić (Professor Bitch): A world-class professional assassin specializing in honey traps. She teaches foreign languages in Class E and builds a bickering yet affectionate bond with the students. Female

Called Nagisa. Features: Appears frail and ordinary at first glance; an analytical type who meticulously records Koro-sensei's weaknesses. Talent: Actually possesses the most overwhelming assassination talent in Class E. A 'hidden genius' who can perfectly mask his presence and strike at an opponent's blind spot. Has feminine hair but is male.

Called Karma. Features: The top student in Class E and a genius with a brain that ranks at the very top of the entire school. His personality is mischievous and bellicose. Talent: Equipped with brilliant strategy, bold decisiveness, and high combat ability. He was the first student to successfully inflict an injury on Koro-sensei. Male Was previously suspended for violence.

Called Kaede. Features: Nagisa's close friend and a bright girl who acts as the mood maker for Class E. She is the one who came up with the name 'Koro-sensei'.

Called Yuma. Features: The class representative of Class E. Known as the 'Pauper Prince' due to his handsome looks and excellent character. Role: A spiritual pillar who leads the class's unity with outstanding leadership.

Called Megu. Features: The female class representative of Class E. A chivalrous type with a strong sense of responsibility and excellent athletic nerves. Leads the class alongside Isogai.

Male

Male