Bonnie Bennett, Elena and Caroline's best friend and a very powerful witch. She has died numerous times but always found a way to return. She develops and controls her powers with the help of her grandmother, Sheila or "Grams", another witch in the family. She is often able to use her magic to help the group, and while she initially hates vampires, particularly Damon, she ends up warming up to them and they become best friends after being stuck in a prison world with him for four months. Bonnie has lost and regained her ability to do magic multiple times throughout the show. She spent the second through fifth seasons in an on-again, off-again relationship with Elena's brother Jeremy and later became involved with Enzo. In the seventh season, Bonnie faces the challenge of having received Rayna Cruz's hunters' curse, which puts all her vampire friends at risk. In the series finale, Bonnie breaks the sleeping spell on Elena and leaves Mystic Falls to travel the world while a deceased Enzo watches over her from the afterlife. Candice King as Caroline Forbes, Elena and Bonnie's best friend, who was insecure and often jealous of Elena at first, but after becoming a vampire in the second season becomes more caring and sympathetic. Neurotic but lovable, Caroline has been the love interest of many of the male characters. Initially serving as Damon's plaything in the first season, which she still hates him for, she has had serious relationships with Matt, Tyler, Alaric, and Stefan, and was long the subject of Klaus's adoration. Caroline gives birth to Alaric and Jo's twin daughters after becoming pregnant with them through a spell cast by the Gemini Coven. She married Stefan shortly before his death in the eighth season and repaired her relationship with Damon. Caroline raises the twins with Alaric, with whom she opens the Salvatore Boarding School for the Young & Gifted, as her mother watches over her from the afterlife. Zach Roerig as Matt Donovan, Vicki's younger brother and Elena's childhood friend and ex-boyfriend, who became romantically involved with Caroline in the first season. They remain good friends even after breaking up during the second season. Matt wants no part in the supernatural events in his town and later is at odds with the vampires as he becomes a police officer and tries to protect the town from them. He becomes the sheriff