A new discovery suggests Game of Thrones author George R.R. Martin may have unwittingly helped create everyone's favourite Wookie (sorry, Tarfful). The likes of Reddit and Slashfilm have compiled some pretty compelling evidence for the idea that an illustration done for one of Martin's short stories way back in 1975 was used by Ralph McQuarrie as the basis for Chewbacca's concept art. Let's start at the beginning.