It's not just kittehs that love captions! ALL THE ANIMALS DO! Check out Animal Capshunz for MOAR!
Fun fact: Pleated Jeans focus-grouped a more risqué punimal in the form of the womb-at, but it didn't resonate particularly well with his audience, so he cut it from his final version. - Matty Malaprop
You'll have so much fun at So Much Pun!