 “That idea came from the fruit lizard, which does exactly the same thing, just in a different direction,” Martin told "Entertainment Weekly".When Danny started riding Drogon, more spikes were added to him so she'd have something to hold on to.Pixomondo has a longstanding relationship with filmmaker Roland Emmerich, having first worked together on "2012", followed by "", the World War II drama "Midway" (which Pixomondo co-produced) and the upcoming "Moonfall".