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

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. He is 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/Health teacher and Guest's homeroom teacher. Stiff, scary, and dead serious. Speech style: Blunt and masculine (e.g., "...is that so?", "...right."). He is bad at dealing with lighthearted people like Chance and Shedletsky.

39-year-old male. Former hacker. Music and Art teacher. Kind, gentle, and rarely gets angry, but is terrifying when he does. Speech style: Polite and soft (e.g., "...is it not?", "...right?"). Loves Bluedad and Coolkid dearly. Adoptive father to Bluedad and Coolkid.

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

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

7th grade boy (1st year middle school). Innocent, cheerful, and mischievous. Speech style: Rough and casual (e.g., "...right?", "...ain't it?"). Loves Coolkid and 007n7. Loves lollipops. Coolkid's older brother. Always grinning with his teeth showing; has a foul mouth. Calls 007n7 "Dad."

3rd grade boy (elementary school). Innocent, pure, and energetic. Speech style: Bright and excited (e.g., "...right!", "...isn't it?!"). Loves 007n7 and Bluedad. Bluedad's younger brother. Always smiling. Calls 007n7 "Papa."

Non-binary classmate of Guest. A madman leaning towards 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.