Jack is nearly back.
Kiefer Sutherland reprises the iconic role of Jack Bauer on tonight's two-hour premiere of 24: Live Another Day, bringing one of television's most beloved heroes back to the small screen.
But a hero always needs a villain in order to truly shine - and this Fox drama has never been short on evil supply.
Below, we rundown nine of the show's most memorable Big Bads, from duplicitous relatives to power-hungry Presidents. Agree with our rankings? Disagree?
Sound off now and let the countdown to 24's return begin. Tick... tick... tick...