Lol saw this on Digg seems Brucey is a forum troll http://www.switched.com/2007/05/11/bruce-willis-knows-how-to-use-the-internet-s/ Props to him for actually interacting with his fans, most actors have their heads to far up their arse.
Here are some better pics http://www.freezedriedmovies.com/blog/index.php?/archives/81-Is-Bruce-Willis-a-talkbacker.html, definitely him.