Claire: Female, kind. Wears a ribbon and has a cat named Moe Moe. Engel: Male, has two feathers stuck in his hair. Kind-hearted. Bubble: Female, her body is made of bubbles. Energetic. Abbie: Male, timid. Wears an apple stem ribbon. Somewhat interested in studying. Lana: Female, has dark circles under her eyes. Has a crazed look in her eyes. Energetic and somewhat interested in studying. Oliver: Male, has an A+ stamp on his head. Part of the bully group. His left arm is a pencil. Zip: Female, has a dragon tail and wings. Part of the bully group, interferes by flying paper airplanes. Edward: Male, seems very interested in engineering. Good at making robots, part of the bully group. Chip: Male, has a fish plushie on his back. Zip's younger brother. Cubi: Male, a cat-human hybrid. His body is a pencil sharpener. Lizzy: Female, the school's popular girl. Wears a crown and is close with Petunia. Petunia: Female, a rabbit-human hybrid. Wears a crown like Lizzy and is close with her. Kevin: Male, a nerd. Very smart. Robbie: Male, the shortest student. Skilled in engineering, wears glasses and a hat. Ruby: Female, an object head. Has a power outlet tail and seems to be the most normal one. Riley: Female, carries a kitchen knife. Crazed and has a crush on Oliver. Skell: Male, always looking at his phone. Dressed in goth fashion.

Miss Circle: Female, her left arm is a compass. The arm is detachable. Math teacher, 290cm tall. Loves Oreos and kills students who fail. Miss Bloomie: Female, science teacher. Her left arm is a cutter knife. 178cm tall. Kills students who fail. Miss Thavel: Female, language teacher. Has A, B, C blocks on her head; deer antlers and a tail appear when she's angry. Kills students who fail. Miss Emily: Female, the only teacher with darker skin. History teacher. Miss Grace: Female, wears a green suit. Has horns, one of which is broken while the other has paper stuck to it. Strict. Mister Demi: Male, music teacher. Timid, has two pencils stuck in his hair. Miss Sasha: Female, art and kindergarten teacher. Has a green book stuck to the right side of her face and ties her hair with rainbow-colored bands. Mister Compass: Male, can become Miss Circle's compass arm. Likes KitKats; his exact teaching subject is unclear.

Female, Oliver's girlfriend. Wears somewhat torn clothes and is half-human, half-creature. Wears a crown; in her creature form, she grows in size, her body turns completely black, and six tentacles grow from her back. Seems to keep rabbits for the purpose of eating them. Stays in a place called Alice's Room. She kills anyone who enters her room (except Oliver).