`  Raikiri and Chidori are exactly the same. It is proven in the manga that Raikiri is simply a nickname for Chidori because Kakashi cut a lightning bolt in half with it. Yet for some reason people think they're different. Why? Someone on Wikipedia had the crazy notion that they were different, so put that on Wikipedia. And since it's Wikipedia, people started believing it, but i's not true! They are the same! Quote from Gai: ``Chidori, or as it's also known, Raikiri``  `