We know of one.

When two mysterious twins appear in Yamanashi, Japan strange things start to happen. The moons are coming and going differently the grass around their house is dead and more importantly they're just...odd. Even though their twins they act like the same person, is there two of them or only one!? What's with all this dark talk about life after death and how do they know so much about everyone, why do they keep starring!? Where did they come from? Chernobyl? Wait isn't that where the radiation disaster happened?