Jester Prop
The Jester from the game will maniacally dance around and interact with your Avatar on the Xbox 360 dashboard.
Copy and paste this link into an e-mail or instant message:
http://marketplace.xbox.com/en-US/Product/Jester-Prop/00001000-c6d7-6213-c61e-588b53450846?cid=SLink
Sign-in to see this on your avatar.