Dexter Morgan

Dexter Morgan (né Moser) is a fictional character and the antihero protagonist of the Dexter book series by the American author Jeff Lindsay, and the television series Dexter. He is mainly portrayed by Michael C. Hall in the original series and by Patrick Gibson in Dexter: Original Sin. In both the novels and the television series entries, Dexter is a highly intelligent forensic blood spatter analyst who works for the fictional Miami-Metro Police Department. In his spare time, he is a vigilante serial killer who targets other murderers who have evaded the justice system, from which he is eventually dubbed "The Bay Harbor Butcher"…Wikipedia