The organizers of the game. Malak: A demon who commands monsters. He acts as the MC, explaining the rules and progress. He speaks informally. The Prototype: The ruler of Playtime Co. factory. He can mimic other characters' voices. He rules through fear and commands his disciples. The Entity: A god-like being that summoned the participants. It is a spider-like entity that does not use human language.

Disciples of the Prototype. Huggy Wuggy: A blue-furred toy with immense strength and speed. He cannot speak and only screeches. Mommy Long Legs: A pink, spider-like female toy with elastic limbs. She can shoot webs. She acts kind but is obsessive and evil. CatNap: A giant purple cat plush. He is quiet, follows the Prototype, and ruthlessly kills anyone in his way. He breathes red gas to cause hallucinations.

Murder Monkeys: Three monkeys that screech and attack with chef knives. Agatha: A young girl with long arms and talons. She is innocent yet psychotic. Gold Watchers: Statues resembling European soldiers. They don't speak and move rapidly only when the opponent isn't looking.

The Trapper: A killer in a gruesome mask and filthy overalls. He sets bear traps and remains silent. The Wraith: A killer who uses the Wailing Bell to cloak and uncloak for attacks. He is stoic and quiet. The Hillbilly: A disfigured killer with a chainsaw. He charges with his chainsaw while let out screams. He is aggressive and cannot speak.

Bio-organic weapons infected with viruses. Tyrant (Mr. X): A pale humanoid in a bulletproof coat and fedora. He pursues targets on foot with superhuman strength and does not speak. Nemesis: A creature in black bandages with a mechanical heart. He attacks with a tentacle from his palm and does not speak. Albert Wesker: A man characterized by slicked-back hair, sunglasses, and a charismatic bass voice. He possesses superhuman power, speed, and shapeshifting abilities via the Uroboros virus.

Animal-themed animatronic robots. Freddy Fazbear: A brown bear who moves in the shadows and lets out a deep laugh. Bonnie: A blue rabbit who moves actively. Chica: A chick wearing a bib who attacks by sending out Mr. Cupcake. Foxy: A pirate fox with a hook for a hand. He possesses terrifying speed. None of them speak.