With BBC recently announcing that the next Doctor of "Doctor Who" will be unveiled Sunday, Whovians are taking bets and brushing up on old rumors of previously mentioned candidates of the 12th Doctor. Names from Ben Wishaw, Idris Elba, David Harewood, Helen Mirren, Andrew Scott, and even Billie Piper and Jenna Coleman have been brought up as potential candidates of the next Doctor. So, before "Doctor Who Live: The Next Doctor" airs Sunday, here is a gallery of all the names that have come up so far, and let's see if one of them is correct!