Mayor Carol Lockwood was a major recurring character of The Vampire Diaries until Season Four. Carol was the wife of Richard Lockwood, the sister-in-law of Mason Lockwood, the Mayor of Mystic Falls, and the mother of Tyler Lockwood. She was a member of the Town Council and inherited the position of mayor of Mystic Falls from her husband Richard after he died. She knew of the existence of vampires due to marrying into a Founding Family, but she wasn't aware of the existence of werewolves until Tyler revealed his condition to her by forcing her to watch him transform into a wolf in The Hybrid. She was killed by Klaus in O Come, All Ye Faithful as a way to get back at Tyler for betraying him.
Carol was a member of the Lockwood Family and a member of the Town Council. After her husband's death, Carol took over as Mayor of Mystic Falls.