Balrog is a fearsome mythical creature that is often associated with dark magic and evil intentions. However, there are several synonyms for this word that are used in different contexts and cultures. In Norse mythology, the equivalent of Balrog is Surtr, who is the God of Fire and an enemy of the gods. In Japanese mythology, Oni is a term used to describe the demons that resemble Balrog in appearance and temperament. In Greek Mythology, Cerberus is the three-headed dog that guards the gates of the underworld, also known as Balrog's equivalent, who is responsible for defending the dark world of demons and devils. Overall, the word Balrog has several equivalents in mythology and culture, each depicting an ominous, dangerous creature.