What is the oldest tom and Jerry Scooby Doo or pink panther?

Here's the breakdown of the oldest of these cartoon characters:

* Tom and Jerry: The oldest, debuting in 1940 with the short "Puss Gets the Boot."

* Pink Panther: Came next, appearing in 1963 in the movie "The Pink Panther."

* Scooby-Doo: The youngest of the three, making his debut in 1969 with the animated series "Scooby-Doo, Where Are You!"

Therefore, Tom and Jerry are the oldest.