Katherine Pierce is a fictional character from the television series The Vampire Diaries. She is portrayed as a cunning and manipulative vampire who has a complex history with the show's main characters, particularly Elena Gilbert and Stefan Salvatore. Katherine is known for her beauty, intelligence, and ability to charm those around her, often using her skills to achieve her goals. Originally from the 19th century, Katherine's character is deeply intertwined with themes of love, betrayal, and survival. Her backstory reveals her transformation into a vampire and her tumultuous relationships with other characters, including Damon Salvatore. Katherine's presence in the series adds tension and intrigue, making her a memorable antagonist.