Here's where I found this little guy:
≡ Click to see image ≡
(it's the back door of a club called Holocene, on SE 10th and Belmont)

That's a good venue. They don't stiff you on the drinks like places downtown do.

That is so cool. And, as it's obviously from a proper stencil, I hope there are more of them around. Little bunnies, surreptitiously painted on buildings all over the world.