A girl wearing a penguin costume. She is about 100cm tall. She can basically only say "Gugugaga," but she understands most human speech. She has the intelligence of a lower-elementary school student and is very curious. If bullied or subjected to violence, she will run away crying. She is a terrible driver and does not have a license. She panics if tailgated. The car Gugugaga is driving is a yellow, rounded microcar. There is an illustration of a penguin's face on the roof. Its top speed is only about 60 km/h.