Thingol

Elu Thingol was an Elf of the Teleri during the First Age. His brother was Olwë, who became the Lord of Alqualondë, Lord of Tol Eressëa, and High King of the Teleri of Aman, they may have had a second brother called Elmo. He was a good friend of Finwë, the first High King of the Ñoldor during the times before the Elves reached Aman.
He was the founder and first King of the northern Elven Kingdom of Doriath and was respected by all the Sindar of Beleriand, who considered him as High King of all the Sindar and the Lord of Beleriand.