In Remember the Titans, Sam and Dean encounter a demigod named Oliver, who is the son of of the proto-god Prometheus. He had the same curse has his father, which was to die every day only to be brought back, a curse put on by Zeus. The curse was lifted by the death of Zeus.
In Sharp Teeth, a cult of werewolves known as the The Maw of Fenris worshiped the Fenrir under the title Fenris. They that believed he would bring about werewolf domination of the world when Ragnarok occurred.
In Unfinished Business three norse demigods, Sleipnir, Narfi and Fenrir, hunt down the archangel Gabriel for the death of their grandfather Odin after he escaped his captor, the Prince of Hell Asmodeus. All three were killed by Gabriel in the process of trying to capture him by special swords that the angel made specifically to kill them.
- Fenrir (deceased)
- Narfi (deceased)
- Sleipnir (deceased)
- Season 5
- Season 8
- Season 9
- Season 13
- Season 14
- Fenrir has the most lore about him of all five on-screen demigods.