Super Nanny appeared in the episode Super Nanny. She is a nanny who was hired to take care of Captain Hero's bad behavior. She is a parody on The Nanny. She repeats the phrases "Unacceptable, naughty stool!" pronouncing "Unacceptable" as "Unnasseptable." At the end of the episode, it was revealed that Super Nanny was actually a real supervillain who was trying to take over the world and she had grounded all the superheroes to get them out of her way while she led her army of little kids to take over the world. She was defeated by Captain Hero after he stomped on her foot, making her jump around and swear and she got grounded as a result.