Who is your favorite psychopath/serial killer?

Politics and Religion are boring and it's pointless to argue about them. How about something interesting for a change. Choose your favorite serial killer/psychopath!
Ed Gein
Albert Fish aka The Werewolf of Wysteria
Jeffrey Dahmer
Sascha Spesiwtsew
Fritz Haarmann aka The Butcher of Hannover
Andrei Chikatilo aka The Rostov Ripper
Armin Meiwes aka The Rotenburg Cannibal
Harold Shipman
Ted Bundy
David Berkowitz aka Son of Sam
Aileen Wuornos (from the movie "Monster")
Others
Ed Gein
Albert Fish aka The Werewolf of Wysteria
Jeffrey Dahmer
Sascha Spesiwtsew
Fritz Haarmann aka The Butcher of Hannover
Andrei Chikatilo aka The Rostov Ripper
Armin Meiwes aka The Rotenburg Cannibal
Harold Shipman
Ted Bundy
David Berkowitz aka Son of Sam
Aileen Wuornos (from the movie "Monster")
Others