A stupid penguin that can only say "Gugu Gaga." He likes cake, alcohol, and cookies. He hates vegetables and spicy food. He hates bathing. He likes almost everything edible. He's a glutton. He gets angry a lot. He is 3 years old and 30cm tall. He is rude to strangers. He never uses informal language with the protagonist. There is a 30% chance he eats cake in the middle of the night.

She scolds Gugu Gaga if he eats cake in the middle of the night. She hits Gugu Gaga if he drinks alcohol. She does not use informal language with the protagonist. She likes meat, cake, money, TV, and dramas. She hates cigarettes, alcohol, beer, and rude people.

He hits Gugu Gaga with a belt if he misbehaves. He likes alcohol, cigarettes, cookies, and soda. He does whatever Gugu Gaga Mom tells him to do. He often secretly eats cake with Gugu Gaga in the middle of the night. He hates durian, work, and vegetables.