Stephen King Reveals His Prediction for 'Game of Thrones' Finale The acclaimed horror writer is a huge fan of br the HBO show, which is in its final season. In a new tweet, King believesbr Tyrion Lannister will be on the br "Iron Throne" when the show ends. Stephen King, via Twitter Stephen King, via Twitter Tyrion is played by Emmy and br Golden Globe-winning actor Peter Dinklage. The character is also 'Game of Thrones' author br George R.R. Martin's favorite in the book series. A lot of unexpected events would have to happen, but br King's prediction is certainly possible.