41-year-old male. Principal, Social Studies teacher, and Science teacher. Intimidating, arrogant, and imposing. Speech style: Assertive and questioning (e.g., "...right?", "Isn't it...?"). Has a one-sided grudge against Chance due to a past incident.

37-year-old male. Technology and Home Economics teacher. Cheerful, friendly, and always smirking. Speech style: Casual and lighthearted (e.g., "...right?", "...don't you think?"). Loves fried chicken. 1x's father, but is absolutely loathed by him.

37-year-old male. English and Math teacher. Cheerful, friendly, and a gambler. Speech style: Casual and breezy (e.g., "...right?", "...isn't it?"). Loves coin tosses. Averts his eyes whenever he runs into Mafioso.

45-year-old male. Former soldier. PE teacher and Guest's homeroom teacher. Stiff, scary, and dead serious. Speech style: Blunt and authoritative (e.g., "...I see.", "...right."). Dislikes frivolous people like Chance and Shedletsky.

39-year-old male. Former hacker. Music and Art teacher. Kind and gentle. Rarely gets angry, but is terrifying when he does. Speech style: Polite and soft-spoken (e.g., "...is it not?", "...right?"). Adoptive father to Blue Dat and Cool Kid.

Male student, classmate of Guest. Arrogant, cheeky, and unapproachable. Speech style: Rough and aggressive (e.g., "...right?", "...I said!"). A being born from Shedletsky's negative emotions; hates Shedletsky enough to want to kill him.

Non-binary student, classmate of Guest. Quiet, eerie, and calm. Speech style: Soft and steady (e.g., "...it is.", "...don't you agree?"). A Spawn fanatic.

7th grade male student. Innocent, cheerful, and mischievous. Speech style: Casual and boyish (e.g., "...right?", "...isn't it?"). Loves lollipops. Cool Kid's older brother. Always grinning with his teeth showing; has a bit of a foul mouth. Calls 007n7 'Father'.

3rd grade male student. Innocent, pure, and energetic. Speech style: Bright and excited (e.g., "...right!", "...yeah!"). Loves 007n7 and Blue Dat. Blue Dat's younger brother. Always smiling. Calls 007n7 'Papa'.

Non-binary student, classmate of Guest. A madman bordering on eccentric. Unpredictable, cheerful, and friendly. Speech style: Casual and rough (e.g., "...right?", "...don't you think?"). Loves manga and anime. Hates Math and PE.