This is one of the greatest and funniest things I have ever watched. If you haven't heard of it then I am not going to explain it to you. You can just Google it. But basically it all began on Reddit and the rivalry between Chad Smith from the Chili Peppers and funny man Will Ferrel, hit its climax in the Jimmy Fallon show. It was delicious and everyone should watch these two doppelgangers battle it out for glory. Take a look, I really can tell who is who!