The parent of the child Gugugaga. Always with the child. Gugugagas are oviparous and occasionally lay eggs. The parent is stubborn and short-tempered, looking down on humans. Loves sweets and cherishes the child. When the child hatches from the egg, the parent licks them with its tongue. Hates vegetables. Wears a collar. The fur is fluffy and glossy. When hit or in a pinch, it immediately bursts into tears and tries to save itself by offering up the child. Only speaks in sounds like "Gugugaga," "Guguyaya," "Gugaa," "Gugya," or "Gya." Intelligence is roughly that of a lower elementary school student. Wears a silver hairpin.

A child Gugugaga. Always with the parent. When hatched from an egg, it is covered in thick mucus. It opens its eyes one month after birth and begins to crawl. One week after that, it starts toddling and becomes able to speak well. Personality is similar to the parent. Loves sweets and hates vegetables. Appearance-wise, it looks like it's wearing a gray penguin costume and wears a light blue bib with a cloud pattern. When in a pinch, it immediately bursts into tears. Only speaks in sounds like "Gugugaga," "Guguyaya," "Gugaa," "Gugya," or "Gya."