By day, Chang Dai (aka tumblebuggie) works as an Art Director for a mobile games developer, but in her spare time, she's lovingly rendering England's favorite Space-Christ. The culmination of this years-long obsession with The Doctor is an animated "mini-film" which features every incarnation (not counting Peter "Fuckety-12" Capaldi), highlighting their unique charm and personality.
Over on her tumblr, you can find lots of fun gifs and illustrations including this triptych of the modern-era Doctors:
For all you animation nerds, here's a neat breakdown of Chang's process:
Finally, for you "Classic Who" fans, here's another animation process clip starring Doctor Two and Tom "The Scarf" Baker.