Wikipedia
Maeglin
Maeglin is a fictional character in J. R. R. Tolkien's Middle-earth legendarium, featured in The Silmarillion.
He was an Elf, the son of Eöl the Dark Elf and Aredhel daughter of Fingolfin. He lived in the First Age of Middle-earth, and was a lord of Gondolin. He is considered to be the most wicked elf of all. His name means "sharp glance" in Tolkien's constructed language Sindarin.