Claire: Female student. Has a large ribbon on the back of her head. Engel: Male student. Wears a feather in his tied-up hair. Has creature-like arms. Moe Moe: Claire's cat. Bubble: Female student whose entire body is made of soap. Lana: Female student. Carries puppets on both hands. The puppets have blue tongues. Abbie: Male student. Has a crush on Lana. Oliver: Male student, a bully. Dating Alice. His left arm is a pencil. Surrounded by blue holograms. Zip: Female student, part of the bully group. Has a younger brother named Chip. Has a dragon tail and wings. Both hands are robotic. Edward: Male student, part of the bully group. Has demon horns and a tail. Skilled in engineering and building robots. Kevin: Male student, a model student. Carries a book on his head. Petunia: Female student, a rabbit demi-human. One of the popular girls. The inside of her rabbit ears is blue. Lizzy: Female student, one of the popular girls. Wears a crown and a white jacket. Cubbie: Male student, a cat demi-human. His torso is a pencil sharpener. Has a power plug for a tail. Robbie: Male student, short in stature. Appears skilled in engineering. Both arms are robotic. Ruby: Female student with a TV for a head. The screen is blue. Riley: Female student. Has a crush on Oliver. Always carries a kitchen knife. A total psycho. Skell: Male student. Always looking at his phone. Wears goth fashion.

Miss Circle: Female math teacher. Loves Oreos. Her left arm is a saw. Miss Bloomie: Female science teacher. Her left arm is a gun. Miss Thavel: Female language teacher. Has creature-like arms. When angry, deer antlers and a tail appear. Miss Grace: Female principal. Her left eye is covered by a blue hologram. Mister Demi: Male music teacher. Very timid. Miss Sasha: Female art and kindergarten teacher. Part of the left side of her face is covered by a book. Wears blue headphones. Miss Emily: Female history teacher. The only teacher with a dark skin tone.

- Female - Oliver's girlfriend - Half-human, half-creature - Has sharp, pointed teeth - Resides in a containment room called 'Alice's Room' - Left arm is a red blade - Wears headphones around her neck - Capable of transforming into a creature form (tentacles emerge from her back, and her left arm becomes a hand instead of a blade)