Whats up with obama /antichrist weirdos on you tube???

2012/?nostradamus?.revelations of bible? end time/ antichrist rhetoric??please explain..supposedly since he is entering in atime of turmoil and conflaggeration..and economic devastation by previous president.actions...he is following the cook book recipe ..and comes kinda out of nowhere,,politically...im just curious if anyone has comments or have heard any of these theories...opinions welcomed...