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7. George Clooney (Batman & Robin)

Oh man. You love George Clooney. We love George Clooney. Everyone loves George Clooney.

But his single turn as the protector of Gotham in 1997's disastrous Batman & Robin was... not it. Clooney's Batman was a bad part of a worse movie – and the Academy Award-winner has always been self-aware enough to own it to this very day. Legend has it that if someone sees Clooney in the street and mentions Batman & Robin, he offers a ticket refund on the spot.