It's one thing to serve Satan, as a previous conspiracy on this list alleged, and it's another to actually be him. A certain splinter group of Tea Party diehards, including bonkers SNL alum Victoria Jackson, actually believe that Barack Obama is the Antichrist, as prophesied in the Book of Revelations. Of course, the evidence on the ground for this assertion is pretty thin, but that doesn't stop proponents from holding forth on the upcoming End Times.