J.B. Smoove

J.B. Smoove is an Emmy-winning American comedian, actor and writer who first reached a wide audience on Def Comedy Jam in 1995. He is best known as Leon Black on HBO's Curb Your Enthusiasm, a role he has played since the show's sixth season and which brought him a SAG ensemble nomination in 2018. He has never left the club circuit, and still tours as a stand-up.