Dr. Hannibal Lecter - What do you really think of him?

Tweet

You have all either read the books or watched the movies. What do you really think of Hannibal? Is he mentally ill and has no control over his maniacal desires? Or does he do what he does because he wants to? I have read the book "Hannibal" and seen all of the movies, but as stupid as it may sound, I am still wondering what he really is...