Agony Bonnie is a being made from the agony of a guard at Circus Baby Pizza Word, who discovered the fnaf 4 house hidden under the pizzeria, and was killed by Plushtrap, biting him in the stomach and losing a lot of blood. Furthermore, he was very afraid of Bonnie, because one day he saw Willian cleaning blood from a Springbonnie suit, causing him to create a being of agony called Agony Bonnie after his death.