The final image of Season 2 of Game of Thrones provided the first full glimpse of the White Walkers, as they marched towards The Wall. Now, we have a detailed look at what these frightening creatures will look like.

Artist Martin Rezard, who has designed creatures for Doctor Who, Farscape and Attack of the Clones, developed these conceptual renderings of the icy beings, who are destined to haunt the Thrones universe -- and our dreams.

See more here.