Ralph (voiced by Micky Dolenz) - A mutt from America who is a high-ranking Spy Dog.
Ralph is a Labrador Retriever/Dalmatian mix who is the leader of the Spy Dogs. Ralph is very intelligent. He is very good at his spy skills. He is very calm and collected at times. He is also very mature and patient, unless someone tries to get on his nerves. He is a very friendly spy dog. He has a brother named Mange, who is a Chesapeake Bay Retriever. Mange is a bit of a bad dog, but Ralph also can see that he has a good side. Mange is a good brother to Ralph. Ralph also can speak Japanese. His catchphrases are "B-I-N-G-O, Bingo!" and "The name's Dog. Ralph Dog."
Ralph is white with blue spots. He is a Labrador Retriever/Dalmatian mix.