Grumpy cat original
The original Grumpy Cat, who inspired hundreds of memes. - 

This final note today, in which the Internet meme known as Grumpy Cat comes full circle.

Anyway, Grumpy Cat now has a major endorsement deal. It's going to be the 'spokescat' -- I am not making this up -- for Friskies.

It's just the latest in quite a run for a cat: A movie deal, a New York Times bestseller, merchandise.

We had the cat's manager on the show a couple of months ago. Listen to the interview here.

Follow Kai Ryssdal at @kairyssdal