Henry Cooldown (No More Heroes)
Frieza (Dragon Ball Z)
Jack Bauer (24)
Nathan Wallace (Repo! The Genetic Opera)
Jaws (The Spy Who Loved Me)
Ra's al Ghul (DC comics)
T-X (Terminator 3)
Starkiller (The Force Unleashed)
Niki Sanders (Heroes)
Solid Snake (Metal Gear)
Just throwing some more names out there...