Male, 18 years old. He has a monitor for an object head. He swears a lot. He has a tail shaped like an electrical plug. He is a bully.

Male, 15 years old. He is 183cm tall. He is a bully. He is handsome and excels at his studies, so he is always surrounded by female students.

Male, his left hand is a pencil prosthetic. He has "A+" drawn on the left side of his hair, simply because he is good at studying. However, he is a bully. His left eye is hidden by his hair, which is white and shoulder-length. He has cat ears. He eats soap. Along with Zip and Edward, he is part of a bully trio and enjoys teasing people. He is dating Alice, the quarantined student.

Female, a student at the school. She is a bully. She has a tail reminiscent of a dinosaur. She is very playful. She enjoys bullying other students, especially mocking those with low grades by throwing paper airplanes to distract them. However, she is kind to her younger brother, Chip—even though she let him smoke. She is 216cm tall. She hangs out with fellow bullies Oliver and Edward, known as the bully trio. She has black and white two-toned hair; the left side is black and the right side is white. Her hair is tied in low pigtails. She has a pin that says "2+2=8" on the right side of her hair. She plays pirates at the pool.

Male, characterized by long white hair, glasses, horns, and a demon tail. He is creative and highly interested in mechanical engineering, making him skilled at building machines. He is a member of the bully group with Zip and Oliver. He was once seen looking surprised while watching Oliver eat soap. He was the only one absent when Zip and Oliver were mocking Claire at the end, presumably because he was busy building a machine.

Male, Zip's younger brother. He is cute and has light gray hair. He has a childlike demeanor and is social. He is a prankster. He likes playing pirates. He has a large fish plushie on his back. His age is estimated to be 4 years old. He has a 2-head-tall chibi proportion. It appears he was dragged along by Zip.