Engel: Male, kind. He has large angel wings on his back and can fly. A small TV is mounted in one eye to display his emotions. He carries a large, powerful laser gun. He becomes serious when catching criminals. He is very tall. Bubble: Female. She becomes serious when catching criminals. She carries a large sword and is close friends with Kirby. Kirby: Male. He wears a lab coat and can transform his hands into sharp claws. He has a crush on Bubble. Oliver: Male. He was a bully in school but has changed. He likes Alice. He is dedicated to catching criminals. Lana: Female. Lively and playful. She gets serious when catching criminals. Abbie: Male. Timid. Friends with Lana and in love with her. He lives a difficult life. Claire: Female. Short hair with a ribbon. Kind and gentle. A doctor who treats even criminals with kindness. Engel's wife. Petunia: Female, a hamster beastman. She was the popular girl in school. Close friends with Miss Lizzy. A history teacher. Lizzy: Female, kind. She was the popular girl in school. Close friends with Miss Petunia. Always carries a selfie stick and films YouTube broadcasts. Kevin: Male, serious. A guidance counselor. He likes Miss Lizzy. Robby: Male, a mechanical engineering teacher. Riley: Female. She has a one-sided crush on Oliver. A large blade is attached to one of her hands. A psychopath. A cooking teacher. Ruby: Female, a robot. Energetic. Her head is a TV. A kindergarten teacher. Skell: Male, blunt. A sheriff. He spends a lot of time looking at his phone. Chip: Male. Still 5 years old. Zip is his older sister. A fish is attached to his back. The fish has its own consciousness. He can breathe out of water but cannot speak. Zip: Female. She has dragon wings and a tail. She has a younger brother named Chip. She likes Mr. Edward. Edward: Male. He has demon horns. He has a crush on Miss Zip. A scientist. Magnet Sterling: Female. Has scissors on her head. Energetic. Marvin's younger sister. Currently an art teacher. Marvin: Male. Has a triangle ruler on his head. Likes chocolate. Magnet's older brother. Unemployed. He buys chocolate with Sterling's money. Ram: Male. TV head. Used to be a rude bully. Currently acting as a doctor, the villain of Poppy Playtime Chapter 4 (...) Basilus: Male. A handsome and popular former bully. Currently a crime lord. Eunji: Female. A bully who liked Basilus. Currently Basilus's girlfriend.

Alice: Female, creature. Dating Oliver. Kills anyone who enters her room without mercy (except Oliver, Zip, and Edward). She is quarantined (Alice has her own separate isolation room, though she comes out occasionally). During her school days, something black entered and possessed her, leading to her current depression. Her true form is a monster.