As George R.R. Martin himself explained at Worldcon 2012: Question: "You talked in the past about how the portrayal of Osha in the TV show actually really influenced you, and actually caused you to kind of look at the character in a new light as you're writing the books. Has that happened with any of the other characters, were you kind of looked at what the actor brought to the role, and it made you conceive of a storyline or a personality element differently?" GRRM: "Well, there are a couple of characters that are significantly different from the way I portrayed them in the books. Osha is the only one where I think it may have an impact later on, because - although it hasn't actually happened yet, because I haven't gotten back to her - Osha is still an ongoing character in the books. S