Dana, if you write to youtube, letting them know that you are "Angryman Studios," own the rights to the video, and that it was posted without your permission, they will take it down.
Here's a link to their info on the subject:
http://youtube.com/t/dmca_policy It's a LOT of hoops to jump through, but if you want them to take it down, it's what you have to do.
Hey, at least it was just the teaser video you made, and not the full 45 min event video! In the meantime, we'll continue trying to track down who posted it to youtreadtube.
--Jamie