Gollum The slimy creature who guards the mouth of the cave. He is completely self-centered and talks to himself. He owns the ring of invisibility that Bilbo steals.
Wargs Wild wolves from whom Bilbo and the dwarves hide in trees after they escape from the Goblins. Gandalf sets the Wargs on fire and chases them away, but they return, joined by the Goblins, and try to set fire to the forest. Bilbo and the dwarves are rescued from the trees by eagles.
Lord of the Eagles The chief eagle who rescues Bilbo, Gandalf, and the dwarves from the Wargs and flies them to his nest perched on the mountain. The eagles also fly over during the Battle of the Five Armies.
Beorn Also called a skin-changer because of his power to change into a bear, which allows him to attack Goblins and Wargs. He is hospitable to Gandalf, Bilbo, and the dwarves on their way to the Lonely Mountain and gives them ponies and provisions for their journey. He appears at the Battle of Five Armies and fights the Goblins. Gandalf and Bilbo spend Yule-tide with him on their way back to the hobbit-lands.
Elvenking King of the elves who imprisons Thorin and the other dwarves in his dungeon, from which they are rescued by Bilbo who hides the dwarves in barrels and floats them down a river to Lake-town (also called Esgaroth). Elvenking appears at the Battle of Five Armies.
Master of Lake-town The ruler of Esgaroth, the town of men also called Lake-town, to which Bilbo and the dwarves escape from the palace of the Elvenking. The Master's power is challenged by Thorin, and the Master is ultimately replaced by Bard when the Master is corrupted by a share in the dwarves' treasure.
Smaug The dragon who lives underground in the Lonely Mountain, where he keeps watch over the treasure hoard that rightfully belongs to Thorin.
Bard The archer from Lake-town who kills Smaug the dragon and eventually becomes Master of Lake-town.
Dain Cousin of Thorin; with an army of dwarves, he comes to aid Thorin's band in the Battle of Five Armies.
