Malachai Parker

Malachai Parker was a major recurring character and the main antagonist of the sixth season of The Vampire Diaries. He also appears as a recurring character in the eighth season of the series. Kai was the son of Joshua Parker and his unnamed wife, as well as the twin brother of Josette, and the older brother of Olivia, Lucas, Joey, and three other unnamed and deceased Parker siblings. However, when his true nature as a Siphoner was revealed in adolescence, his family began to treat him poorly and referred to him as an "abomination," which, among other factors, led to him growing up to be a sociopath.

Kai is a member of the Parker Family, and is the last leader of the Gemini Coven, he also has ties with the Mikaelson Family via his children.