T.U.F.F. Puppy

T.U.F.F. Puppy is an American animated television series created by Butch Hartman for Nickelodeon. It premiered on October 2, 2010, on Nickelodeon along with Planet Sheen. T.U.F.F. Puppy is Butch Hartman's third animated series for Nickelodeon, after The Fairly OddParents (2001–present) and Danny Phantom (2004–2007). The series was cancelled on April 4, 2015.

In early 2011, the series was renewed for a second season which premiered on May 13, 2012. The first two seasons consist of 26 episodes each, and the third season consisted of 8 episodes, for a total of 60 episodes.

The series' main character is a dim-witted but determined dog named Dudley Puppy who works as a spy for an organization called T.U.F.F. (short for Turbo Undercover Fighting Force). His partner is a cat named Kitty Katswell. Other helpers are The Chief and Keswick. The series takes place in a fictional city called Petropolis, which is populated by anthropomorphic animals. As a member of T.U.F.F., Dudley Puppy helps Kitty Katswell protect Petropolis from various villains like Verminious Snaptrap, the Chameleon, and Birdbrain.