The crossword solution for the term 'Hobbit Nemesis' is 'Orc'. An Orc is a fictional creature found in many fantasy stories, most notably in J.R.R. Tolkien's Middle-earth universe. Orcs are typically portrayed as brutish, aggressive, and generally evil creatures, and they often serve as antagonists to the protagonists of the stories in which they appear. In Tolkien's works, Orcs are a race of creatures created by the Dark Lord Morgoth, and they are often used as his minions in his wars against the free peoples of Middle-earth.