'Game Of Thrones' Halloween Costumes Get Judged By The Ultimate Authority

You win or you die... or you trick or treat.

Before you put the finishing touches on your Dothraki war paint, painstakingly paint a gold prosthetic hand for your Jaime Lannister costume, or shell out for the perfect wicker basket in which to carry your haul on Hodor-ween, know this: George R. R. Martin is judging you.

But don't worry, he's being totally super-nice about it.

In the video below, the "Game of Thrones" author popped in virtually for an appearance on "Late Night with Seth Meyers," where he reviewed the best entries in Westerosian costume contest and finally awarded high honors to the man with the incredible, authentic Hound getup.