Puppy is an American animated action children's television series created by Butch Hartman.

Puppy is Hartman's third animated show for Nickelodeon, after The Fairly OddParents and Danny Phantom and also before Bunsen is a Beast.

HQ, Dudley helps Kitty protect Petropolis from villains, such as Verminious Snaptrap, The Chameleon, Bird Brain, Larry, Ollie, Francisco, Zippy, Owl, Bad Dog, and Skunk.

are various personnel that appear as background characters whether as agents, office workers, and/or scientists.

Butch Hartman said that he created the central character and wanted to make a crime-fighting show based on him.

Because his previous animated series Danny Phantom already involved superheroes, Hartman decided that he would focus on making Dudley a secret agent.

[citation needed] Emily Ashby of Common Sense Media gave the series 2 out of 5 stars; criticizing the “iffy messages” the show sends to kids and the frequent use of name calling, but adding, “Kitty's attractive appearance and overly emotional response to Dudley's successes are memorable.”[10] The series premiere of T.U.F.F.