JB Smoove is an actor, writer and comedian best known for his recurring role as Leon on the HBO series Curb Your Enthusiasm. He previously served as a writer for Saturday Night Live and starred on the series Everybody Hates Chris, 'Til Death, The Millers and Real Husbands of Hollywood. Smoove's film credits include Pootie Tang, Mr. Deeds, Date Night, Movie 43, Top Five and Barbershop: The Next Cut. His book, The Book of Leon: Philosophy of a Fool, is written in the voice of his Curb character and was published on October 10.