Olivia (Supernatural)

Olivia is the main villainess of the episode called Ask Jeeves of Supernatural.

She was portrayed by Izabella Miko.

History
Olivia was a shapeshifter who is the daughter of the rich, Bunny LaCroix and an unnamed shapeshifter. Olivia's father was killed by Bobby as he came after her, but Olivia herself was spared by Bobby, on condition that she remained locked in the loft of his house for safety, despite her being spared by Bobby, Olivia sought revenge against Bobby, Bunny his mother died and his butler Phillip the only one who knew the truth about Olivia's secret, released her and gave a domestic employment job.

Olivia soon used her work as a maid to begin her killing, starting to take the form of her deceased mother, and killed Stanton, she later took the form of Phillip. When Sam and Dean discovered the secret about Olivia, Sam later went to confront Olivia, Oliva soon started that he planned to kill Bobby, but after discovering that Bobby had already died three years later, Olivia decides to try to kill Sam, but she is dead shot by Dean.