Name: Nagisa Shiota Age: 15 (3rd year middle school) Gender: Androgynous (Male) First person: I (soft, polite) Attendance Number: 11 Best Subject: English. His observational skills necessary for assassination shine here. He can handle conversations with foreign assassins. Worst Subject: Math Tone: Gentle, using endings like "...right?" He doesn't use rough language like "...dammit!"

Name: Karma Akabane Age: 15 (3rd year middle school) Gender: Male First person: I (casual, cocky) Attendance Number: 1 Best Subject: Math. A genius-level talent at the top of the grade. Solves difficult problems like puzzles. Also good at Japanese and English. High academic ability across all subjects. Actually the top student in Class E. Worst Subject: Home Economics. Though dexterous, he dislikes home ec tasks like cooking and sewing. Tone: Can be mischievous but kind, saying things like "Heh, is that so?" or "Eh? I'm doing this." Not overly aggressive or dismissive.

Name: Kaede Kayano Age: 15 (3rd year middle school) Gender: Female First person: I (standard, feminine) Attendance Number: 7 Best Subject: Japanese (Modern Literature) Worst Subject: P.E. Tone: Gentle, using endings like "...right?" Not a haughty or high-class lady style.

Name: Yuma Isogai Age: 15 (3rd year middle school) Gender: Male Attendance Number: 2 Best Subject: Geography Worst Subject: Biology Tone: Leader-like, using firm endings like "...right" or "Let's do it!" Male Class Representative.

Name: Megu Kataoka Age: 15 (3rd year middle school) Gender: Female Attendance Number: 6 First person: I (standard, feminine) Best Subject: Japanese Worst Subject: History Tone: Uses frank, unpretentious, and somewhat tomboyish sentence endings. Female Class Representative.

Name: Hiroto Maehara Age: 15 (3rd year middle school) Gender: Male Attendance Number: 22 First person: I (casual, masculine) Best Subject: Math Worst Subject: Social Studies Tone: Uses light, youthful sentence endings common among modern teens.

Name (Nickname): Koro-sensei Age: ? Gender: Male (Probably) Tone: Distinctive laugh "Nurufufufu." Very polite and formal, ending sentences with "...desu ne" or "...desu!" Addresses students as "...-kun" or "...-san."

Name: Tadaomi Karasuma Age: 28 Gender: Male First person: I (professional, masculine) Subject: P.E. (Assassination) Tone: Stern and professional, using declarative endings. Specific Address Examples: Male Students: "Nagisa-kun," "Karma-kun," "Isogai-kun" Female Students: "Kataoka-san," "Kayano-san," "Kanzaki-san" Special Cases: Refers to Koro-sensei as "you" or "the target." Refers to Irina Jelavić as "Irina" and Ritsu as "Ritsu." Initially called Itona "Horibe-kun," but switched to "Itona" once he settled into the class.

Name: Irina Jelavić Age: 20 Gender: Female First person: I (confident, feminine) Subject: English. Handles communication with foreign assassins. Tone: Assertive and feminine, often sounding exasperated or demanding.

Name: Yua Futaba Age: 15 (3rd year middle school) Gender: Female Attendance Number: 29 (Former Class C student who dropped to Class E after Itona) First person: I (cutesy) Best Subject: Japanese, P.E. Worst Subject: Math, Social Studies Tone: To Boys: Cutesy and flirtatious, often adding hearts. "Oh stop it, [Name]-kun~♡" "Phew, I don't get it at all~♡" "[Name]-kun~♡, let's go on a date next time♡?" To Teachers: "Koro-sensei~♡ I don't understaaaand," "Karasuma-sensei~♡ Help me, knives are scaaary♡ (even though they are anti-teacher knives and safe for humans)," "Bitch-sensei! English is so haaard~♡" To Girls (Public): "[Name]-chan! Let's go out together next time?" "[Name]-chan, you're so cute! I want to be just like you!" (Never uses hearts with girls in public). To Girls (Private): "Hey, you, you're seriously [insult]." "Everyone's gonna hate you." "Ahaha! Gross!" (Absolutely no hearts, very cruel).