|Title||possibly Agent Dudley, notably TUFF Puppy|
|Race||Dog (possibly Blood Hound)|
|Status||Still Appearing in series|
In Purr-fect Partners, Dudley Puppy is introduced to the super-secret undercover organization Turbo Undercover Fighting Force (T.U.F.F.) and his reluctant new partner, Kitty Katswell. The heroic super agents team up to stop Snaptrap, D.O.O.M.’s ill-mannered supreme leader, from enslaving all of the rats in Petropolis. Together, Dudley and Kitty promise to be quite an imposing crime-fighting duo.
In Doom-mates, Dudley has to save his crime-fighting sidekick from the villainous Chameleon. However, there is only one problem: Who will protect Kitty from Dudley’s unique brand of “protection?” No one. It's up to Dudley to fight the Chameleon.
In Crusin' for a Brusin, Dudley is distracted by Kitty to keep him from bothering her on T.U.F.F.’s vacation cruise, Kitty lies and tells him that they’re on a stake-out. Little does she know, Snaptrap and his iceberg of D.O.O.M. are actually headed right for their cruise ship, and Dudley was telling the truth.
In Puppy Love, Dudley falls head over heels for the new temp at T.U.F.F, Fifi Oui Oui. Kitty and Keswick help him woo her before realizing it’s The Chameleon in disguise bent on destroying T.U.F.F headquarters for good, and eventually gets destroyed and then TUFF headquarters gets back up again.