I love that.
How about for Harleen Quinzell, aka Harley Quinn?
Hench-Wench
Lamont Cranston, aka The Shadow
Orsons_Voice
Agnes Moorehead (Of Bewitched and much else)
WitchyWoman or maybe DeathToDerwood.
Dr. Gregory House.
EverybodyLies.
Ebenezer Scrooge.
Humbug!
US Marshal Jack Carter (Eureka)
Not of Mars (okay, I have no idea who that is)
Lion-o, lord of the Thundercats
ThundrrPssy
Howard Borden
FriendlyNavigator
Sidney Freedman (from MASH)
SlidesOnTheIce
Paul “Muad’Dib” Atreides.
Spicey!
Agent J (Men in Black)
FreshMeab.*
- FreshMIB
Karl Childers (Billy Bob Thornton character, Swing Blade)
FrenchFriedTaters
Jason Voorhees
FreddyDrools
Forrest Gump
BoxofChocolates
Edward Nigma aka The Riddler (and please not ‘RiddleMeThis’)
well, then the obvious would be
Enygma
no reason for anything else.
Aahz (Myth series, Robert Asprin)
Pervect
LePetitGaulois
Dale Gribble (King of the Hill)
Rusty_Shackleford, of course.
Vicomte Sébastien de Valmont (John Malkovich character, Dangerous Liaisons)
Don’t_Welsh
Peter Wiggin (Ender’s possibly sociopathic brother).