We don't know when the rivalry between cats and dogs began, but judging by how deeply ingrained it is into their natures, it's safe to guess that this is not a new development. My guess is that cats and dogs have always had it in for each other, dividing nations about which one is cuter. But no matter whether you're a dog or cat person, this picture is pretty hilarious. For more priceless cat memes, look no further. This is your one stop shop for everything cats.