Niklaus Mikaelson

Niklaus "Klaus" Mikaelson (Elder Futhark: ᚾᛁᚲᛚᚨᚢᛋ ᛗᛁᚲᚨᛖᛚᛋᛟᚾ) was the main protagonist (and sometimes antagonist/anti-hero) of The Originals. He was a former main character, antagonist/anti-hero of The Vampire Diaries. Klaus is a Original vampire and a werewolf, making him the Original Hybrid.

Klaus is the biological son of Ansel and Esther Mikaelson, the step-son of Mikael, and nephew of Dahlia. Klaus is the maternal younger half-brother of Freya, Finn, Elijah, and the maternal older half-brother of Kol, Rebekah, and Henrik Mikaelson. He is also the brother-in-law of Vivian Mikaelson. Klaus is the uncle of Freya and Mathias' unborn son and Kol and Viv's twins Jesus and Valentina Mikaelson. Klaus is the father of Hope, whose mother is Hayley, and Lillian Mikaelson, whose mother is Viv, and the adopted father of Marcel Gerard, an orphan boy he rescued and eventually turned into a vampire.