Dexter Morgan

&nbsp Dexter Morgan is the main protagonist of the Dexter television series.Morgan is a serial killer who only kills people who themselves are murderers.He considers himself detatched from humanity and often refers to "humans" as if he was a different creature.He finds children interesting more than the adults, and often targets killers who prey on children.He also has no interest in romance, despite being married to Rita (which, according to him, is a disguise).He witnessed his mother being killed with a chainsaw, by his brother, who also grew up to be a serial killer.It was Harry Morgan who taught him the moral code stating that "It's okay to kill people who themselves are murderers."