User blog comment:Darthranner83/T.U.F.F. Puppy characters with similarities to other heroes: Dudley Puppy/@comment-26220961-20180210132510

Don't forget Scooby doo, houndoom, houndour, Growlithe, Arcanine, Lilipup, Herdier, Stoutland, and goofy, and Billy from the grim adventures of Billy and Mandy