- Coat is black with occasional gold, crimson, and silver highlights. 

- Eyes are like that of a flickering flame with constantly moving flecks of golds, reds, oranges, and yellows. 

- As Sauron is lord of werewolves, Fenrir is the lieutenant of werewolves

- Once was a lesser Maiar but became corrupted during the War of Wrath and now lingers on as a werewolf

- Intelligent and manipulative, Fenrir has worked to lure others into the service of Mordor and is a cunning tactician

- Radiates an aura of fear