Piper is the family pet of the Mitchell family. Piper is also a police dog and often aids Olivia Mitchell in her police duties. Piper got captured in Zoey and Kiki's spaceship and later Zoey and Kiki released her. Piper bites Zoey and Kiki's plasma card,which explodes their space ship leaving them stuck on earth. Piper heard the satellite connection sound when the Plasma Card was attached to it and made a dog whistle to attact dogs. She can perceive when something is wrong and when a person is upset.