Jimmie Walker went from the streets of New York’s Bronx neighborhood to having people like David Letterman and Jay Leno write jokes for him, recording a #1 comedy album and opening for bands in 50,000 seat stadiums. Although he’s worked as the main attraction in all of the top comedy clubs, he’s best known for his controversial role on the landmark sitcom, Good Times, and his “Dyn-o-mite!” catchphrase, which became popular in the American vernacular. Walker continues to enjoy a comedy career, now approaching five decades, and writes TV and film scripts. He’s also penned a memoir, entitled (what else?) Dyn-o-mite!