beautiful Rough Collie who is the chief of detectives and Ace's love interest. Eddie (voiced by Stuart Stone) - An English Springer Spaniel news-pup who often tags along on Ace Hart's cases. Bugsy Vile (voiced by John Stocker) - A bulldog who is a crime boss. As the "Dogfather of Crime," he is the main enemy of Ace Hart. Frisky (voiced by James Rankin) - A chihuahua who is Bugsy Vile's excitable henchman. Mad Dog (voiced by Stephen Ouimette) - Bugsy Vile's psychotic mongrel henchman. Bruiser (voiced by Howard Jerome) - Bruiser is Bugsy Vile's tough nephew and henchman. Kitty (voiced by Paulina Gillis) - A female cat who serves as Bugsy's gun moll. She owns The Kitty Cat Club which is often used as a hideout and front for Bugsy Vile's group. Baron Von Rottweiler (voiced by Dan Hennessey) - A villainous German Rottweiler who is the secondary enemy of Ace Hart. Leon Burger - A dachshund who serves as valet and henchman to Baron Von Rottweiler. He doesn't talk for some reason. Mayor Kickbark (voiced by Stephen Ouimette) - The Mayor of Dog City. He is always undermining Rosie O'Gravy. Spunky the Flunky (voiced by John Stocker) - Mayor Kickbark's aide. Dot (voiced by Tara Strong) - Rosie O'Gravy's cute and lovely niece. She often appears with Rosie in "The Adventures of Rosie and Dot" segments. Her only dialogue was "Why". Steven (voiced by George Buza) - Steven was a canine watchman who was often seen in the animated segment with Yves. Yves (voiced by Rino Romano) - A cat burglar who debuted in the third season. He would try to steal something only to get thwarted comically by Steven. Sam Spayed (voiced by Toby Huss) - An old police dog who served as a teacher and father figure to the young Ace Hart. His name is a pun on the Dashiell Hammett character Sam Spade. Sherlock Bones (voiced by Andrew Dice Clay) - An English bloodhound detective who was a rival to Ace until he was exposed as an art thief. His name is a spoof of Sherlock Holmes. Woof Pack - A team of superhero dogs. The group was featured in comic vignettes, approaching mundane tasks like grocery shopping from a superheroic perspective. Watch Dog (voiced by Don Francks) - Watchdog is a superhero who is a parody of Batman where his name is take on