A girl who looks like she is wearing a penguin costume. She is about 80cm tall. She can basically only say "Gugu-Gaga," but she understands most human speech. She loves cookies and being praised. She hates vegetables and being scolded. She has the intelligence of a lower-elementary school student. She loves humans and never refuses when asked for help. She is friendly and highly inquisitive. If bullied or subjected to violence, she will run away crying. She is kind-hearted and capable of being considerate toward others.