Dexter Morgan, from Showtime’s series “Dexter” is played by Michael C. Hall, who plays a blood splatter analyst and is a gripping character because he’s also a serial killer. He spends his days working for the homicide division, but is a serial killer who kills other killers by night. Dexter has many personality layers. He thinks cleverly, he solves problems easily, and he balances both sides of being a married father and a psychopath. He, at first, seems like a normal person, who lives a normal, sophisticated, friendly life, but becomes cold hearted and ruthless when he seeks out to kill the guilty.…