Totally linking you here: http://www.facebook.com/photo.php?fbid=160796513963681&set=a.116577291718937.7287.100000999999228&type=3 Yoshi comes with an amazing trollface.
Nah, I'm already sticking to my casual blue yoshi avatar. It suits me the best. I would use that troll yoshi pic or this: http://www.facebook.com/photo.php?fbid=116577678385565&set=a.116577291718937.7287.100000999999228&type=3 but I'm content with what I got for now.