Though just a fictional 17 year-old, Harry Potter has built one of the most powerful personal brands in the world. Ad Age has estimated his franchise to be worth $15 billion! Now the story will come to an end with the release of the 7th book on July 21st. There is great speculation on whether Harry Potter will die, but this would probably result in the loss of millions to the franchise, especially with a new theme park scheduled to open in Orlando in 2009 and two more movies yet to hit the big screen. Here is an excellent video that discusses the marketing implications of Harry Potter dying.