Origin:

- Esther Mikaelson had a secret affair with Ansel, the Alpha of a werewolf pack
- When her son, Niklaus made his first human kill, after being turned into an Original
- He triggered his werewolf gene, which turned him into the world's first hybrid
- However, his werewolf nature was bound by Esther with the Hybrid Curse

Description:

werewolf turned into a vampire

Highlights:

- Curse was lifted through the Sacrifice Ritual over a thousand years later
- Being half-original, Klaus doesn't share most of the weaknesses of the Hybrids

Becoming a Hybrid:

- Werewolves must die with Klaus or Tribrid blood in their system
- Awaken in transition, neither truly living nor truly dead
- Must drink the blood of a doppelganger or Tribrid within 24 hours, or they die
- Transition is complete, once they drink the blood
- If they feeds on regular human blood, while transitioning;
- Become rabid, bleed from their eyes, & eventually die in pain

Physiology

Physiology:

- Looked human but also had a true face:
- Sclera is black, irises turn golden-yellow
- Dark veins appear under their eyes
- Fangs

Powers & abilities:

- Can turn their humanity on & off
- Enhanced senses
- Super Physiology
- Mind compulsion
- Limited Telepathy
- Don't age
- Healing Factor
- Transform into a wolf without the full moon's influence

Weaknesses:

- Emotions
- Witchcraft
- Mummify if they abstain from blood
- Can t enter a home without an invitation
- Vervain
- Completely drained of blood
- Wolfsbane

Fatal:

- Sunlight
- Wood through the heart
- Decapitation
- Heart Extraction