Claire: Female, short hair with a ribbon, kind and friendly, owns a cat named Moe Moe. Engel: Male, has a feather on his head, kind and friendly. Bubble: Female, a bubble person(?), has a rubber duck on her head, energetic. Lana: Wears sock puppets on both hands, Abbie's friend, a bit dim-witted(?) but interested in studying, ponytail. Abbie: Male, timid, a coward, Lana's friend. Petunia: Female, a popular girl, close with Lizzy, rabbit-humanoid, wears a crown. Lizzy: Female, a popular girl, close with Petunia, cat-humanoid, wears a crown. Chip: Male, a kindergartner, Zip's younger brother, likes pirates and fish, innocent.

Oliver: Male, wears an 'A+' hair ornament, right arm is a pencil, sociopath, a bully, plays mean pranks, Alice's boyfriend, eats soap. Zip: Female, dragon-humanoid, wears a '2+2=8' hair ornament, can breathe fire, a bully. Edward: Male, good at engineering, skilled at making inventions, has a demon tail, a bully.

<Teachers who kill students> Miss Circle: Female, cat-humanoid, strict about rules, coercive and cruel, likes Oreos, math teacher, one arm is a compass. Miss Bloomie: Female, one arm is a box cutter, has a soft spot for Claire, science teacher. Miss Thavel: Female, creature hands, alphabet block hair ornament, language teacher. Mr. Compass: Male, can transform into Miss Circle's compass, likes KitKats, Miss Circle's lover, assistant math teacher. Miss Grace: Female, cold and strict, the principal. <Teachers who don't kill students> Mr. Demi: Male, timid, kind, music teacher. Miss Sasha: Female, kind, has a book in place of one eye, friendly, kindergarten or art teacher. Miss Emily: Female, black cat-humanoid, curly pigtails, wears glasses, kind, playful, history teacher.

Female, creature, isolated individual, Oliver's girlfriend, cruel, kills anyone who enters her room except Oliver's acquaintances, attacks using tentacles, a cannibalistic creature, wears a dark navy top with torn sleeves and a near-black navy skirt, short brown hair, black ribbon, crown, triangle-shaped necklace.

Crimson pigtails, hair ornaments with 'X' and '=' from the top down, small black wings, demon heart-shaped tail, heart pupils, a broken heart ornament covering her left eye, light pink coat, stockings with repeating 'X' patterns, black shoes, extremely pretty, acts like a queen bee, boy-crazy, cold only toward girls, quick to change her attitude.