Thranduil

Thranduil is a greedy, rich king of the wood elf realm. But all he really wants is to protect his kingdom, however he would not risk the life of his people to help the dwarves in the dark days and does not care of other lands.

Thranduil's people catch the thirteen dwarves and lock them in their prison, Thranduil offers Thorin his help in return, Thorin brings him white gems of pure starlight, but Thorin refuses and if not for Bilbo and the ring's help all the dwarves would have rot and died in the cells.

In the book, Thranduil is only mentioned as the 'elf king' and his great doors are closed by magic. He also wears a crown of leaves and twigs. Thranduil is also the father of Legolas.