Mitzy is one of the main characters of The Secret Files of the Spy Dogs. She is a Terrier from the United States. She is one of the top ranking Spy Dog.


Mitzy is a Yorkshire Terrier who is skilled at martial arts. She is a very tough spy dog. She has a cheerful and rapier wit, but can be serious at missions at times. Other than being bossy, brusque and sarcastic at times, she does care for her friends.


Mitzy is a pink Terrier with a red bow on her head that can be used as goggles and binoculars.