It seems that for as long as their have been cat videos on YouTube, there have been the same set of cat bloopers - the short clips of cats squeezing under doors, emerging from couch cushions and swinging on ceiling fans that you've probably seen a hundred times without having to look.But lest the bloopers get stale, a video editor put a new twist on some old cat classics by transforming the bloopers into a multi-genre mind buster featuring ninja cats, ninja cats, and more ninja cats.