The Goblin King was a goblin chieftain of Goblin-town in the misty mountains in The Hobbit. He was oversized, for a goblin, and overly fat and obese. He captured Thorin and company when they sheltered in a dry cave which turned out to be a trap for travelers passing over the Misty Mountains. They were brought before the Goblin King and threatened to be tortured if they would not tell him where they were traveling. He eventually recognized Thorin Oakenshield and told him that he’d changed his mind and would give his severed head to the Pale Orc, Azog. That is when a goblin unsheathed Thorin’s sword Orcrist- which the goblins feared and called “Biter”- and sent them into a frenzy. They began to attack the dwarves when all the lights go out and Gandalf comes forward and sets the dwarves free from their captors. The Goblin King makes a later appearance when he crashes through a bridge and climbs up on it and faces Gandalf. The Goblin King laughs and taunts the old wizard, but he is interrupted when Gandalf pokes him in the eyes with his staff and slices open the creature's belly. The Goblin King falls to his knees, and Gandalf finally finishes him off by slicing open his neck. However, his victory is short lived, for the bridge Gandalf and the company of dwarves are standing on collapses and plummets down to the bottom of the cavern. When the bridge finally slows down, Gandalf and the dwarves get up and get ready to leave, but the Goblin King ultimately makes his last appearance when his corpse falls on top of the company of dwarves, slowing them down.
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The Goblin King is a giant, vain, grotesque creature. He has grown fat and flabby through years of tyrannical rule over the wretched inhabitants of Goblin Town – a ramshackle collection of slums located deep in the caverns of the Misty Mountains. He lords over a horde of Goblins covered in scars and sores. They are scavengers at heart, living off whatever travellers they can waylay in the high passes of the mountains. The Goblin King and his minions manage to capture Bilbo Baggins and the Company of Dwarves. The Great Goblin enjoys tormenting his captives and very nearly manages to bring the Company of Thorin Oakenshield to a nasty end.