Clicky to make it bigger on the outside. But yes, that is the eleven incarnations of The Doctor in owly form from pu-sama on DeviantArt.

Apparently it's becoming quite a thing. Here's one of the Fourth Doctor and Sarah Jane by thecosmicdancer.

By the way, regarding Doctor Who spoilers, that it, I'm not running any more. There are plenty about, you can ignore them if you try. But you may find an accidental one in this review of Cold Blood a few weeks ago…