Fingolfin is a fictional character from J.R.R. Tolkien's legendarium, particularly featured in "The Silmarillion." He is one of the Noldor, a group of Elves known for their wisdom and skill. Fingolfin is the son of Finwë and the brother of Fëanor, and he plays a significant role in the events of the First Age, especially in the struggle against the dark lord Morgoth. Fingolfin is renowned for his bravery and nobility. After the death of his father, he becomes the High King of the Noldor and leads his people into Middle-earth. His most notable act is challenging Morgoth to single combat, showcasing his courage and determination to protect his kin.