Aaron Mikaelson

Aaron Mikaelson is the Original Heretic. He is the maternal twin half-brother of Klaus Mikaelson, and the full brother of Freya, Finn, Elijah, Kol, Rebekah, and Henrik Mikaelson, as well as the paternal half-uncle of Gabriel Mikaelson. He first meets his nephew when he joins the faculty of Beacon Hills High School as Garrett Douglas. Sometime later, Gabe's closest friends erase his memories of the supernatural so that he could have a normal life, with Garett and Gabriel living together in a small town, and the former keeping the truth of their nature to himself so that his nephew doesn't have to worry about fighting anymore supernatural wars. Many of Gabe's friends place themselves in his new life, pretending that they have never met before, watching over him and making sure he's okay under his uncle's care, but his memories are eventually returned along with his powers.

During their time together, Aaron discards the name 'Garrett' and goes by Aaron Douglas, while Gabe is known as Gabriel Douglas.