Director Sir Peter Jackson requested a round of wild and varied war beasts concepts for The Battle of the Five Armies, including new varieties of Troll and wholly original creatures that might move or fight in interesting ways. The brief spurring Weta
Azog - The Hobbit, part II - Concept design as seen in The Hobbit: The Desolation of Smaug, Chronicles: Art & Design and Smaug: Unleashing the Dragon - The Art of Nick Keller