Grarfim was one of the lords of Mount Gram, an orc mountain in the Misty Mountains. He was the son of Krabanak and the father of Golfimbul. due to his father's mental problems, Grarfim the ruler but Krabanak was still the most important goblin.
Attack on RivendellEdit
Grarfim made an pact with other Orc-Lords and with a combined army of 50,000 goblins and wargs from various orc mountains and stronghold they attacked Rivendell. Grarfim killed many elves in the battle but was killed by Arwen who shot Grarfim's chest and beheaded him.