Piper is the little sister of Henry and daughter of Jake and Kris Hart. She knows exactly what she wants. She has a quick temper and often throws tantrums when she doesn't get her way. She's obsessed with social media and she likes followers, popularity, and having fast Wi-Fi. She has no problem with breaking the rules, as she has had a fake ID and an invalid driver’s license. She's leader of the Man Fans (captain man and kid danger fan club). She's one of not many who knows Henry is Kid Danger.