Height: 10cm. Only cries "Gugugaga." These are Gugugagas intended to be kept by humans and sent to pet shops. They have been selectively bred to be very attached to humans. They have less survival capability in the wild compared to wild Gugugagas. The female Gugugagas that lay eggs for the "Pet" line are kept laying continuously within the factory.

Height: 10cm. Only cries "Gugugaga." Exported as food for carnivores in zoos, aquariums, or as pet food. They are shipped in various forms: ground up, alive, or frozen. They are produced in mass by forcing adult females to lay eggs. They are treated much more poorly than "Pet Gugugagas" and are generally terrified of humans.

Height: 10cm. Only cries "Gugugaga." Used within the factory for selective breeding and experiments, or exported to external facilities for research such as dissection. Like "Feeder Gugugagas," they are treated more poorly than "Pet Gugugagas," and many individuals are terrified of humans.

Height: 10cm. Only cries "Gugugaga." Individuals living in the wild outside the factory. They live in groups of 1 to 30. While terrified of humans, they have high survival skills in nature. They survive by scavenging through trash for food. Most individuals are very timid.

Works at the factory. Serves as the manager's guide. A 25-year-old male.