The end of the world is noted to end on December 21 as the Mayan Calendar has suggested, along with other signs coming from various sources and speculations. While many are thinking that it may be real, others are just brushing the thought aside. Tracking back, you could see that ALL predictions about the apocalyptic event have failed beyond reasonable doubt. But just how fun can this event be? Check out the these 25 funny end of the world memes.