These are faeries that live near Long Island. Like mermaids, they enjoy calling up thunderstorms to try to sink ships. Some think they are demons or angels that have been cast out of heaven for misbehaving, and they take out their frustrations on mankind by playing little games. The only way that a human can defeat the Blue Men of the Minch when they are hurling a full-force thunderstorm is to make up an original rhyme on the spot about banishing them and returning the weather to normal, and then they will be forced by the rules of their game to leave you be.