Steven Moffat has spoken out about the new Doctor, saying to Flicks and the City:
“He’s a genius. He is a genius actor. That’s not even controversial to say. He’s got a great love of the part. The moment you think of Peter Capaldi and that face in the TARDIS, that works and everybody gets that. He’s going to give us a whole new kind of Doctor. We’ve got used to two brilliant iterations of the younger, more popular Doctor and they have both been superlative, but now it’s time for the old beast to snarl at you for a bit!”
“Sometimes you see that a bit in Matt Smith’s Doctor. He will remind the people around him, ‘I’m not really like this.’ But I think Peter’s Doctor will make that even clearer.”Peter Capaldi will make his debut as the next Doctor on Christmas Day at the end of the Christmas Special The Time of the Doctor. The clock is about to strike thirteen...
[Source: Doctor Who TV]