Game of Thrones is a site for the HBO-series based on George R.R. Martin's A Song of Ice and Fire.
New to the series? Read our spoiler-free review of A Game of Thrones.
According to this cheeky post from David Benioff and Dan Weiss, it seems very likely that, “Woof woof” indicates that the role of Sandor Clegane, known as the Hound, has been filled. There’s currently no information on who has been cast in the role.
The Westeros network consists of several different sites, including a forum and a wiki, for all your A Song of Ice and Fire needs.