 A further source may be Henry Wadsworth Longfellow's 1855 poem "The Song of Hiawatha", where Megissogwon, the spirit of wealth, is protected by an armoured shirt, but whose one weak spot is revealed by a talking bird.Smaug was voiced and interpreted with performance capture by Benedict Cumberbatch in Peter Jackson's film adaptations of "The Hobbit".Dragons lived in the Withered Heath beyond the Grey Mountains.