Revelation 13:2 And the beast which I saw was like unto a leopard, and his feet were as the feet of a bear, and his mouth as the mouth of a lion: and the dragon gave him his power, and his seat, and great authority.

If you compare Revelation with Daniel, you will see the leopard represents Greece, the bear Medo-Persia, and the lion Babylon. The endtime religion will have elements of the religion of these other world empires (matter of fact, when each empire went off the scene, the next one took and adapted the religion that was before it - the Roman Catholic religion is simply pagan babylon in a slightly different form).