Hayley

Hayley is introduced in Season four. She is a werewolf and is described as "gorgeous and wildly sexy, but tough as nails and also very protective."
 * Born - ?
 * Turned - ?
 * Species - werewolf
 * Gender - Female
 * Family - Baby (with klaus)
 * Played By - Phoebe Tonkin

A friend of Tyler's, Hayley is responsible for helping him break his Sire bond to klaus. He kept his real identity a secret from her. She later showed up in Mystic falls looking for him. She begins to help Tyler break the sire bonds of some of Klaus's other hybrids, but it is later revealed that she has been working with shane in an attempt to sacrifice twelve unsired hybirds to raise silas; she was only interested in this because Shane promised her she would be reunited with her dead parents. After this revelation, she fled town and began working with katherine. However, Katherine sent will to kill Hayley when she had stopped finding her useful. Klaus saved her and they became allies, sleeping together on a whim. He was interested to learn that she had a birthmark which also belonged to a particular bloodline.