When you are in the business of creating characters you will eventually be faced with the question: "Should I kill this character off?" And very soon after that, " ... and how should I kill him or her?"
Some characters are easier to kill off than others. An evil dictator, morally repugnant, with little to no redeeming features, is quite easy to kill. Sometimes, it can even be fun. Or cathartic. A heroine with a kindly and pleasant disposition, someone who continually does good deeds, and...