On United States of Tara, Toni Collette plays a woman with dissociative identity disorder. One of her alters is Buck, a macho truck-driving Vietnam vet. Collette says she was nervous about creating Buck. "I didn't want him to be a cliche and I didn't want him to become laughable for the audience to be taken with the idea of a woman playing a guy." Showtime hide caption

itoggle caption Showtime

The sitcom South Park debuted on Aug. 13, 1997. It is Comedy Central's highest-rated and longest-running show. South Park has received a Peabody Award as well as four Emmy Awards. Courtesy of Comedy Central hide caption

itoggle caption Courtesy of Comedy Central

In this image provided by the United Nations Stabilization Mission in Haiti, U.N. Secretary-General Ban Ki-moon greets Sean Penn as he visits a tent camp at the Petionville Club golf course in Port-au-Prince, Haiti, on March 14. Sophia Paris/MINUSTAH via Getty Images hide caption

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On the streets of Kingston, Jamaica, women buy bleaching products sold in plastic bags without labels. Davia Nelson for NPR hide caption

itoggle caption Davia Nelson for NPR