Názkûga the Dull is also known as the Talkative, the Názkûga-Eater, and the Libido Slayer. He is motivated by Sauron's former lieutenants, and is his son.
He is the son the North that is known as Ruz'ghul. He was the son of the Witch-King of Angmar, and of Agandaûr.