Leon Black became a game-changer in Curb Your Enthusiasm, and his best episodes are unforgettable. J.B. Smoove's Leon is a comedic force, stealing scenes with absurdity and innovative ideas. Leon's antics, from exposed testicles to taboo-breaking jokes, make him a highlight of the show.

Curb Your Enthusiasm changed forever with the introduction of Leon Black, and he ended up headlining some of the shows best episodes. At the beginning of season 6, Cheryl convinced Larry to open up their house to a family who were left homeless by a massive storm called Hurricane Edna (a satirical stand-in for Katrina). Loretta Black, Auntie Rae, and Lorettas kids promptly flew out to Los Angeles to move in. A couple of days later, Lorettas motormouth brother Leon showed up and began occupying a guest bedroom.

Leon ended up staying with Larry for the rest of the series. Even after his family moved out,...