Cat is Peg's pet cat and the duetragonist of the TV show, Peg + Cat.
Cat is a blue-purple cat, and the best friend to Peg. He loves circles and accompanies Peg on her adventures. Cat often inspires Peg to realize a solution to a problem without being aware of it himself. He helps to calm Peg when She "totally freaks out". He was inspired by Jennifer Oxley's pet cat. Voiced by Dwayne Hill.