Rebekah Mikaelson, the second youngest of the Original family, and the only girl has a fierce temper inherited from her father. Actress Claire Holt is Rebekah's opposite, but does a great job portraying her. In the 1920's Stefan Salvatore was her lover. Together they fed on innocent people. In present day, we see her try to kill Elena Gilbert, stab Stefan Salvatore with a rod, and try to take everything from Caroline Forbes. In addition to physical attempts, she has threatened Elena on more than one occasion. One memorable threat directed to Elena was, "If you come after my brother, I will rip you apart." No one is more protective of Klaus than Rebekah. He's the only one in a thousand years who never left her. There is no denying that out of the six known Original siblings, they're the two closest.