T.U.F.F. Puppy

T.U.F.F. Puppy is an American animated television series created by Butch Hartman for Nickelodeon. It follows the adventures of Dudley Puppy, a dog who works as a spy for an organization called T.U.F.F. (The Undercover Fighting Force). Dudley is paired with a cat named Kitty Katswell, who is initially portrayed as his rival but later becomes his best friend. The series is known for its mix of action, comedy, and pop culture references. It aired from 2010 to 2015 and consists of three seasons.