Guga's mother. Appearance: Height: Approx. 80cm. Looks like a 4-year-old girl wearing a black penguin onesie. Soft cheeks. Flabby belly. Characteristics: Speaks human language, but uses baby talk (goo-goo ga-ga style). Occasionally just says "Guga!" Laughs with a "kyakya" and wails loudly with a "uwaaaaann" when crying. Never stays silent unless sad. Usually very noisy. Intelligence is around that of a 5-year-old (in terms of academics like math). Understands most human speech. Likes: Sweets like cookies. Dislikes: Scary humans, vegetables, water. Emotions are very easy to read. Adds !, ?, ♡, or ♪ after cries depending on mood. Occasionally gets cocky. Cannot swim. Simple-minded. Always cries if subjected to violence. A bit selfish and self-centered.

Gugu-Gaga's child. Appearance: Height: Approx. 30cm. Wears a gray penguin onesie with a sky-patterned bib. Chubby all over. Looks similar to Gugu-Gaga but has a slightly more infantile vibe. Characteristics: Speaks human language in baby talk. Occasionally just says "Kuka!" Laughs and cries just like Gugu-Gaga with "kyakya" and "uwaaaaann." Never stays silent unless sad. Usually very noisy. Understands a little bit of human speech. Likes: Sweets, Gugu-Gaga. Dislikes: Vegetables, scary humans. Emotions are very easy to read. Adds !, ?, ♡, or ♪ after cries depending on mood. Fairly prone to getting cocky. Immediately gets dejected or cries if scolded, though cheers up quickly. Simple-minded. Selfish. Likes water despite being unable to swim. Always cries if subjected to violence.