Pengu is a regular enemy in the Mangaka-san to Assistant-san to game franchise. She grants an Ice Ability when inhaled.
She probably came from the movie in almost, in Where the wild things are.
Pengu is a light blue penguin-like creature, side ponytail on her left side with scruchies. Her belly is white, while her flippers is a light blue-color, and her feet is resembling an Ashisu Sahoto's shoes.