Náin is a character from J.R.R. Tolkien's legendarium, specifically known as a Dwarf from the House of Durin. He is notable for being the father of Dáin Ironfoot, who later becomes King under the Mountain in Erebor. Náin's lineage is significant in the history of the Dwarves, particularly during the events of the Hobbit. In the context of the Lord of the Rings and The Hobbit, Náin's legacy is tied to the struggles and triumphs of the Dwarven people. His descendants play crucial roles in the battles against various foes, including the Orcs and Sauron. Náin's character reflects the resilience and bravery typical of Dwarven culture.