Characters in The Fall of Gondolin

Tuor

The mortal man guided by Ulmo to find the hidden city of Gondolin and warn its king -- his arrival and marriage to Idril link the mortal and Elvish bloodlines that produce Earendil.

Morgoth

The ultimate antagonist whose army destroys the last stronghold of the Noldorin Elves, closing the First Age chapter of the Elvish resistance.

Also in The Children of Húrin, Beren and Lúthien

Idril

The Elvish princess of Gondolin who marries Tuor and whose foresight leads her to secretly prepare an escape route from the city before its fall.

Ecthelion

One of Gondolin's great lords, who falls in single combat with the Balrog lord Gothmog in one of the battle's most celebrated encounters.

Glorfindel

The golden-haired Elvish lord who sacrifices himself fighting a Balrog to protect the escaping survivors -- his death and later return to Middle-earth connect the First and Third Ages.