I found that pic through one of the older iterations of the Dungeons and Dreamboats threads. I'll run it through tineye, though. See what comes up...
It's the artwork for a character call Ginchiyo Tachibana in a game called Samurai Warriors 2.
Originally Posted by Deophaun
It doesn't so much as demean the celestial monkey's existence, so much as fulfill it. Without the ability to be summoned to set off traps, retrieve objects from dangerous situations, and all and all be a party's guinea pig, the Celestial Monkey would languish in obscurity in the MM and do nothing more legendary than eat celestial bananas.