Guess which former 'Batman' will join the cast of 'Downton Abbey'

It’s the only Batman with nipples on his Batsuit, the legendary George Clooney!

"Downton Abbey" just got even more amazing http://t.co/oklgtGGN1e

— HuffPost (@HuffPost) September 12, 2014

George Clooney to star in a special episode of Downton Abbey later this year http://t.co/tCgzvBUI7d pic.twitter.com/Beu5nkrFLc

— The Telegraph (@Telegraph) September 11, 2014

Did Downton Abbey just score a guest appearance from the greatest heartthrob of our life?? http://t.co/YJH5k3Steb pic.twitter.com/kS5hbFOrqf

— ELLE Magazine (US) (@ELLEmagazine) September 12, 2014

George Clooney's scheduled appearance in Downton Abbey is the best thing we've heard all week http://t.co/xNIhZfxzHc

— Marie Claire (@marieclaireuk) September 11, 2014

And Clooney is doing the show for a good cause. . .

It's Official! George Clooney has filmed a special scene with #Downton Abbey for @ITV's #TextSanta. To donate, go to http://t.co/6Gw0JbZISr

— Downton Abbey (@DowntonAbbey) September 11, 2014

. . .But is this “Santa” black or white? From last year’s “War on Christmas”:

‘Lost on the humorless’: Megyn Kelly defends ‘Santa just is white’ comment

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‘Oh my God’! Check out snicker-worthy photos of Ryan Seacrest, Larry David, George Clooney

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Man of the people: Pointing and snickering at Obama’s pimping of George Clooney