Ted Cruz is Melisandre the Red Witch, a true believer who is smart about manipulation.
Lindsey Graham is Daenerys Targaryen, never met a city he didn't want to attack in the name of freedom.
Hillary Clinton is Cersei Lannister, evil old queen who's time has past. She's pissed about it and willing to take out anyone to get it back.
Marco Rubio is Khal Drogo, an exotic hotttie who means well but is going to be undone by his own team.
Rand Paul is Lord Varys, odd man who doesn't inspire much but with a few surprisingly good ideas.
Joe Biden is Jaime Lannister, doesn't like to work too hard, gets by with a good looking smile and always putting his hands where he shouldn't.
Lincoln Chafee is Viserys Targaryen. Wants very badly to restore the old system and be important, but in the end you aren't even sure who he is.
Bernie Sanders is Ned Stark. Wise enough to know the system is corrupt, but not smart enough to know that you need to work within it to fix it.
Jim Webb is Allister Thorne. You might not like him much, but he will fight hard and honorably for your team.
Jeb Bush is Tommen Baratheon. The kinder, but still lacking brother of a fool with the same high council team running things behind the scenes.
Dr. Ben Carson is Asha Greyjoy, loves to pick a fight and doesn't care if he hurts your feelings.
Chris Christie is Joffrey Baratheon, a loud bully who throws a fit when he doesn't get his way.
Carly Fiorina is Brienne of Tarth. At first glance she looks wrong, but if you close your eyes she isn't half bad.
Mike Huckabee is Hodor, offish puppet for others to control.
Bobby Jindal is Theon Grayjoy. Doesn't listen to wise advice, gets in over his head and turns crazy as a result.
John Kasich is Stannis Baratheon. If some of his weird beliefs don't trip him up, he would probably do a good job.
Sarah Palin is Arya Stark. She doesn't have much to say, but she will repeat her list over and over in every speech.
Scott Walker is Ramsay Bolton. Sinister little man who can hide it to make a good first impression on occasion. The more you get to know him, the scarier he becomes.
Elizabeth Warren is Olenna Tyrell, wise old woman who knows what needs to be done.