Fenris

Fenris being the name of the son of Loki not generally available as a name for mere humans in the SCA...

"Fenrir (Old Norse: [ˈfenrez̠]; "fen-dweller") or Fenrisúlfr (O.N.: [ˈfenresˌuːlvz̠]; "Fenrir's wolf", often translated "Fenris-wolf"), also referred to as Hróðvitnir (O.N.: [ˈhroːðˌwitnez̠]; "fame-wolf") and Vánagandr (O.N.: [ˈwɑːnɑˌɡɑndz̠]; "monster of the [River] Ván"), or Vanargand, is a wolf in Norse mythology. Fenrir, together with Hel and the World Serpent, is a child of Loki and giantess Angrboða." https://en.wikipedia.org/wiki/Fenrir