Dexter Morgan is a fictional character from the television series Dexter, which originally aired from 2006 to 2013 and was later revived in 2021. He works as a forensic blood spatter analyst for the Miami Metro Police Department while secretly leading a double life as a vigilante serial killer. Dexter targets criminals who have escaped justice, following a strict moral code taught to him by his adoptive father, Harry Morgan. The character is portrayed by actor Michael C. Hall and is known for his complex personality, combining charm with a dark, violent side. The series explores themes of morality, justice, and the nature of evil, making Dexter a compelling and controversial figure in popular culture.