Game of Thrones season 7 episode 1: Cleganebowl hype begins as The Hound says the word 'Mountain'

After months of waiting, Game of Thrones has finally returned, the premiere steadily setting up the (shorter) season to come.

**Spoilers ahead for season seven, episode one ‘Dragonstone’**

One of the main theories fans hope will come true concerns the Clegane brothers, AKA The Hound and The Mountain, both of whom are seen in...