Kings, queens, princes, chieftans, mighty emperors and scheming politicians - at different times and in different places, they've all been terrible rulers. Top Ten Worst Wicked Rulers reveals the grim truth behind the most rotten rulers of all time, dangerously tough, determined, and ruthless - definitely not nice to know! So beware, as you travel back in time to meet the most wicked rulers from past grim and bloodstained centuries.