Legolas (pronounced [ˈlɛɡɔlas]) is a fictional character in J. R. R. Tolkien's The Lord of the Rings. He is a Sindar Elf of the Woodland Realm and son of its king, Thranduil, becoming one of the nine members of the Fellowship who set out to destroy the One Ring. Though Dwarves and Elves are traditionally rivals, he and the Dwarf Gimli form a close friendship during their travels together.
Commentators have noted that Legolas serves as a typical Elf in the story, demonstrating more-than-human abilities such as seeing further than anyone else in Rohan and sensing the memory of a long-lost Elvish civilisation in the stones of Hollin.
Source : Wikipedia