A few kitty-related clips. The first one (which may make use of special effects, so don’t pass it along as being authentic) shows that the Weapon X program may have had a few test subjects before they got the character portrayed by Hugh Jackman:

And then we have one I found while tracking it down as the source of an animated GIF I found amusing. Thankfully, this hapless cat had snow and its “fluff” to endure becoming a physics experiment: