User blog comment:Glorfion/Elros in the Hobbit: The desolation of Smaug/@comment-4828844-20130825111209/@comment-5703357-20131212134752

Of course it's another elf. The Elros was essentially the first Numenorian king, and had died many thousands of years before. He wouldn't have been tasked with minding wine casks in Thranduil's cellar.