What is the name of the cartoon about a boy and his alien cat?

What is the name of the cartoon about a boy and his alien cat? - briefly

The cartoon you're referring to is called "Krypto the Superdog." It features a boy named Kevin and his alien dog from Krypton, who together fight crime in their city.

What is the name of the cartoon about a boy and his alien cat? - in detail

The animated series you are referring to is titled "CatDog." Created by Peter Hannan, this unique show premiered on Nickelodeon in 1998 and ran for four seasons until 2005. The central characters of the show are two conjoined brothers: CatDog. Cat is a refined and intelligent cat who enjoys reading and playing the piano. Dog is his exact opposite, being playful, mischievous, and fond of food and simple pleasures. Together, they navigate the challenges and adventures of their shared life in Nearburg, a city filled with eccentric characters. The series explores themes of friendship, cooperation, and the acceptance of differences, making it an enjoyable watch for both children and adults. "CatDog" is known for its distinctive animation style and humor, which has made it a beloved classic among animated shows.