He was found in a scrapyard by Aperture Science's favorite scientist named Gerald Bonnie Ferguson. Gerald decided to take him back to Aperture and Gerald wants to see how animatronics work with testing. Cave Johnson admired Gerald a lot and agrees with his idea. About near the end of repairs Gerald passed away from lung cancer and repairs had to be pushed back because of Geralds funeral. After repairs were made Cave Johnson calls him "The Aperture Science Testing Unit", however Caroline recommends "Aperture Bonnie" as a tribute to Gerald. Aperture Bonnie was now ready for testing, and as he solves testing courses he aces them like it was nothing due to how big his intelligence was. After a few years Cave Johnson passes away from moon rock poisoning and the scientists decided to case Aperture Bonnie to keep him as memory. Aperture Bonnie breaks out of his case hundreds of years later and he now knows about the GLaDOS project and he is now under GLaDOS's control. After being trapped in Aperture for so long. Aperture Bonnie takes action and confronts GLaDOS and shuts her down. He now escapes the facility, and he now explores and lives on the surface for the rest of his life.