The mysterious, most-interesting, super-sexy North Korean leader Kim Jong Un. (And if you believe all that, you may be reading too many reports from Chinese media.) Ed Jones/AFP/Getty Images hide caption

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George Carlin in 1981. The comedian's seven dirty words made the list of best lists. Ken Howard/Getty Images hide caption

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That's a meme: President Obama and gymnast McKayla Maroney struck her "McKayla is not impressed" pose when members of the Olympics team visited the White House in November. Pete Souza/The White House/Getty Images hide caption

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A demonstrator carries a sign calling people to "resist" President Barack Obama perceived socialist policies during a march of supporters of the conservative Tea Party movement in Washington. Nicholas Kamm /AFP/Getty Images hide caption

itoggle caption Nicholas Kamm /AFP/Getty Images