Koko, the Gorilla Who Mourns the Passing of Robin Williams – 8 Pics + Video FacebookMessengerTwitterPinterestRedditKoko will probably never be able to explain the depth of her feelings for Robin, but I think anyone who followed Robin's work through this whole time feels at least a bit of emptiness right now. 5 / 9 Pin Pages: 1 2 3 4 5 6 7 8 9