#katherinepierce #tvd #thevampirediaries

NOTE:This article uses information derived from Katerina Petrova on The Vampire Diaries Wiki. Katerina Petrova, better known as Katherine Pierce, is the main antagonist of The Vampire Diaries. She is a Petrova doppelgänger. She was portrayed by Nina Dobrev, who also played Elena Gilbert in the series. She is a vampire who was the lover to the Salvatore brothers, which may have caused their feud. She is the ancestor of the series' heroine Elena Gilbert. In the Season 4 finale Graduation she…