In response to the Joys posting of MC, who was in competition with MJ back in the 80's, I think Michael wins. Besides, he hasn't declared bankruptcy (yet). Not a video, but he dances a heck of a lot better. And isn't his moonwalk better than that back and forth thing (though I can't do either)?
Oh - up a few days and YouTube pulled it. Well, no moonwalk, but probably closer to MC's
OK, now that I've changed that one, we have to have the alternate version: