Rider (Fate/Extra Last Encore)

Rider (ライダー) is a Rider-class Servant of Misao Amari in the Moon Holy Grail War of Fate/Extra Last Encore.

Identity
Rider's True Name is Vánagandr, another name for Fenriru (フェンリル) the monstrous wolf of He is the son of. At, he is destined to devour Odin before being killed by Odin's son,.

In the alternate history of the Norse Lostbelt's Ragnarök, Fenrir was consumed by Sutr before he could kill Odin, with the giant gaining the wolf's ice powers and Authority as a result. Sutr went on to slaughter the gods and giants before being sealed away by Odin's sacrifice.