Britain's favorite Time Lord is in for a bit of a shake up on Doctor Who.

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Peter Capaldi is now in control of the TARDIS as the Twelfth Doctor, and writer Mark Gatiss has informed Whovians that the Doctor will entirely unpredictable as he enters his second round of regenerations.

"The Doctor's always the Doctor - but you can have a lot of fun playing with people's expectations," Gattis told Digital Spy. "Everyone knows how the previous Doctor would react in any given situation - and now you just don't know!"

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It looks like the Gallifreyan will be playing by an entirely new set of rules as season 8 gets underway. Like Tom Baker and Christopher Eccelston, Capaldi is tasked with portraying a darker, more dangerous Time Lord - one with perhaps a dash of chaotic insanity.

"I saw a little of Peter Capaldi in action and he is wonderful," Gattis explained to Adorocinema (via Doctor Who TV). "I think it will be very exciting for everyone, because it is a more dangerous, more urgent Doctor. It has a side of crazy."

Are you looking forward to this new, rebel Doctor, or would you prefer to see someone more along the lines of Ten (David Tennant) and Eleven (Matt Smith)? Sound off in the poll below!

Doctor Who will return to the BBC and BBC America later this year. Click the video below to get a behind-the-scenes look at the premiere.

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