Lord of Balrogs

Lord of Balrogs is second name and title of Gothmog  .He was servant of Morgoth during the First Age .He probably leaded the group that saved Morgoth from Ungoliant in Ered Wethrin.So he fled from Utumno  in First Battle of Beleriand.In Dagor-nuin-Giliath he mortally wounded Feanor. In Nirnaeth Arnoediad he killed High King of Noldor ,Fingon with his axe and a little help of another Balrog.It says that a white flame was burning from King's head.In Fall of Gondolin he is finaly killed by Ecthelion  but he was also killed in that battle.

''Note: There is also Gothmog (Lieutenant of Morgul). ''