Normally, people who are calm tend to speak in a clear, even voice that doesn't vary too much from word to word and is immensely reassuring to the listener. This isn't always a good thing, however. A perfectly monotone voice usually means just the opposite of sanity, safety, and cause for reassurance; usually, it means the speaker is mind-controlled, crazy, an impostor, or is being threatened with death. In these cases, the Creepy Monotone is a sort of Glamour Failure to clue in the hero that any of a dozen things may have just gone wrong. Examples of Creepy Monotone include: