Identify the key characters of the novel "The Hobbit".
The key characters of J.R.R. Tolkien's novel "The Hobbit" include Bilbo Baggins, Gandalf the Grey, Gollum, Smaug the Dragon, Thorin Oakenshield, Dwarves, Elves, Orcs and Trolls.
The key characters of The Hobbit are Bilbo Baggins, Gandalf, Thorin Oakenshield, Dralin, Kili, Fili, Oin, Gloin, Bifur, Bofur, and Bombur.