Cave Story creator Daisuke Pixel Amaya made this piece titled Doubutsu Monogatari. Its a pun since Cave Story in Japanese is Doukutsu Monogatari and doubutsu means animal.
via N4G: pc news feed http://n4g.com/news/1170430/awesome-press-paws-artwork-from-the-creator-of-cave-story-and-paul-robertson
via N4G: pc news feed http://n4g.com/news/1170430/awesome-press-paws-artwork-from-the-creator-of-cave-story-and-paul-robertson