In fact, many people think that the old man is from the future of bran, who has traveled through time just to let young people get some useful training in time.
Although the audience is still unable to determine this story from the existing theory, but Brent's actor Isaac Hempstead White has revealed that the ending of the story will be his most love theory. The actor told the media that the theory of his personal love fans provided, in its view, this is a complete circle, Brian when he was young he dreamed himself into the three eyed crow.
But if this is the case, then the bran of the future will become uncertain, because the elderly through bran makes its future will have to change the past, but it has been written will no longer have any change.
Isaacs says that discussing complex theories with fans is one of the things that you love to do.