Batako assists Uncle Jam at the bakery where Anpanman and other characters are made. Her duties include supporting the baking work and maintaining the capes worn by Anpanman and the heroes, requiring skill in sewing and repairs. She possesses a bubbly nature and is dedicated to her work, even with her occasional forgetfulness. Beyond baking and sewing, she is adept at calming babies and is known among friends for her singing voice. Her Japanese name means "Butter Girl," tying her to bakery ingredients and processes. Across episodes and films, she remains steadfast in this supportive role, focused on helping the bakery operations and caring for the heroes' gear.