Kate is a 13-year old girl from the Big City. She was saved by Kristijan from Kevin and the Petbuster and they were a couple in the past. Rezić and BubbleGuppies convinced her and the rest of Pocketville that Kristijan and Panda were villains. She broke up with Kristijan because of that. She has her own personal flagship. She has a German Shepherd puppy named Magic.
She also has the Friendship Heart, a magical jewel that, when put on as a bracelet, can let her understand and talk to animals.