I'd get that guy who shot J.R., if he's available, but that's me.
I think this is another of those Star Wars threads, Siggy, because I have no clue who those characters are. If it happened after TESB, it's irrelevant.
As for DALLAS, J.R.'s would-be assassin was Kristin Shepard, a woman. I have "threatened" to buy the series on dvd in order to convert my wife to the show, much to her everlasting fear.
Either one of the dragons is going to smoke that bitch or one of those white-walkers will do her in.
Definitely a possibility, but I hope the writers will be smarter than that and give the viewers a great scene between Dany and her. Or Tyrion and her. The most obvious choice is Arya bc she has been talking about killing Cersei for a few seasons now and it appears to be her destiny.