Yip-Yips @ Wondercon 2009
Back again this year, now with more orange:


So many ways to describe this. On one hand, it was sweaty, tiring, and mind-numbing to be walking around for hours spouting the same fifteen seconds worth of phrases over and over again. On the other hand, getting to make people smile and laugh (and little children cower in fear) is awesome. More pictures here and here (and probably elsewhere on the internet). Instructables on how to make your own here!
UPDATE: On the front of SFWeekly.com!






U______________U!
nice homemade pupils