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Katherine Pierce

Played by: Nina Dobrev in The Vampire Diaries

A 546 year old vampire that got turned by a vampire named Rose. She has been running from Klaus since she was turned. At the end of season 4, Elena Gilbert forces Katherine to take the Cure when they were fighting at Mystic Falls High School. When she woke up in Season 5 she was human and faces many more enemies like Silas, the Travellers and a rapid speed of old age. Later it is found out that she had a daughter Nadia Petrova. Her and her daughter both die after Katherine dies and travels into her doppelganger Elena Gilbert's body. Her last apperance was seen as she reluctantely dies and is pulled into "hell" source: imdb