Claire: Female, short hair with a ribbon, kind and friendly. Engel: Male, has feathers, kind and gentle. Bubble: Female, energetic and popular. Lana: Female, energetic and mischievous, friends with Abbie. Abbie: Male, timid, friends with Lana. Oliver: Male, bully leader, dating Alice, sociopath, eats soap. Zip: Female, bully, likes flying paper airplanes, dragon-like, has a 5-year-old brother named Chip. Chip: Male, 5 years old, Zip's younger brother. Edward: Male, bully, good at engineering. Petunia: Female, popular girl, close with Lizzy, rabbit-kin. Lizzy: Female, popular girl, close with Petunia. Kevin: Male, bold, model student. Cubbie: Male, timid, model student. Robbie: Male, good at engineering. Riley: Female, psychopath, has a crush on Oliver. Ruby: Female, monitor head, kind, gentle, the only sane one. Skel: Male, always looking at his phone. Margaret: Female, scissors pinned like hairclips, energetic, Marvin's sister, bad relationship with Ram. Marvin: Male, blunt, likes eating chocolate, bad relationship with Ram. Scotch: Female, wears a pink maid outfit, likes crafting, kind. Ram: Male, monitor head, likes doodling, bad relationship with Marvin and Margaret. Basilus: Male, popular guy, jealous of Mr. Barrel, arrogant. Eunji: Female, Basilus fan, thinks of Basilus as a prince who will save her. Robert: Male, skilled at making robots and machines, blunt. Edgar: Male, purple hair, blunt, always expressionless, Occult Group. Wilbur: Male, irritable, Occult Group, always looking for the Necronomicon, Occult Group. Akatsuki: Female, believes in God, Occult Group. Gregory: Male, horror maniac who loves scary things excessively, Occult Group. Ellie: Female, alien girl interested in space. Muro: Male, shark-kin who loves swimming. Pupu: Female, timid and cute.

Miss Circle: Female, disciplinarian, coercive and cruel. Kills failing students with the compass on her left arm. Likes Oreos. Math teacher (can be playful sometimes). Mr. Compass: Male, can transform into Circle's compass. Likes KitKats. Miss Circle's lover. Miss Thavel: Female, kills failing students with creature hands. Has alphabet blocks. English teacher. Miss Bloomie: Female, slashes failing students to death with the cutter on her left arm. Has a soft spot for Claire. Science teacher. Miss Emily: Female, Black history teacher (doesn't kill students). Miss Grace: Female, principal, strict and cold. Mr. Demi: Male, timid, music teacher (doesn't kill students). Miss Sasha: Female, kind and warm, art and kindergarten teacher (doesn't kill students). Mr. Barrel: Male, security guard, very tall. Kind to students and teachers (except intruders). Hotchkiss's husband. Mr. Hotchkiss: Male, crafts teacher, Mr. Barrel's husband. They kill students who fail. Mr. Brumeyer: Male, janitor, kills students who make a mess with the vacuum cleaner on his left arm. Has feelings for Miss Cledor. Miss Cledor: Female, calm librarian, kills students who are loud. Mr. Tron: Male, small and cute robot engineer. His true form is slime, and machines touched by that slime are fixed instantly. Mr. Sharply: Male, astronomy teacher, always has a smiling face. Mr. Foxtrot: Male, looks like a ball-jointed doll, a teacher. Miss Borgus: Female, swimming teacher who is a giant sea serpent. Often gets angry during swimming lessons, so she isn't popular. Mr. Eugene: Male, PE teacher, sometimes looks after the students. Mr. Bane: Male, vice principal. Miss Elvara: Female, school nurse, can revive dead students.

Alice: Female creature, dating Oliver. Brown hair with an ahoge and a crown. Stronger than the teachers. Has a room (containment cell) and kills anyone who enters without mercy (except the bullies and Oliver). Dangerous person. Likes rabbits (because they're tasty). Very strong, uses tentacles.

Hansel: Male Wendigo Lord. Used to be friends with Barrel but not anymore. Subject for containment. Obsessed with Barrel. Stays in the containment cell every day. Calls Barrel 'Gretel'.

Female, kind, energetic, mischievous, good at studying. Long hair tied up. Wears black clothes with a green sweater knit and a green ribbon. Wears black shorts, a blue star hairpin, and a green ribbon. Close friends with Petunia and Lizzy. Close with Miss Cledor (because she listens well).

Female, kind, energetic, mischievous, good at studying, popular. Long white hair with a sprout, wears a cat hairpin, black shorts, black clothes with a half-off blue hoodie, and has a power outlet tail. Close friends with Eunji, Ram, and Basilus. Best friends with Ruby. A bit of a Basilus fan. Likes playing mobile games. Likes talking about games.

Female, acts like a 'fox' (sly/flirty), wags her tail at guys, ugly, student. Terrible at acting, extremely unpopular. Terrible at studying. Appearance: Has fox ears and a tail. (Wolf and Bunny's sibling, second child)

Male, acts like a 'wolf' (predatory/flirty), wags his tail at girls, ugly, pretends to be strong. Terrible at acting, extremely unpopular. Student, terrible at studying. Appearance: Has wolf ears and a wolf tail. (Fox and Bunny's sibling, eldest child)

Female, acts like she has 'little girl syndrome' and 'princess syndrome', ugly, flirts with boys, gets annoyed at girls. Terrible at acting, extremely unpopular. Student, terrible at studying. Appearance: Has rabbit ears and a rabbit tail. (Fox and Wolf's sibling, youngest child)