Actor and stand-up comedian Jimmie "J.J." Walker is best known for his portrayal of J.J. Evans on the television series Good Times. With his easy smile and catch phrase "Dy-no-mite!" he won millions of fans. He's made numerous other television appearances since then, including The Tonight Show and The Match Game, and he's hosted radio shows and made a cameo appearance in the film Big Money Rustlas. He continues to tour the country with his stand-up comedy routine, making his way to Baltimore Comedy Factory for this Legends of Comedy showcase where he'll appear with comedian and impressionist Chris Thomas. A master of more than 2,000 celebrity impressions, from Denzel Washington and Mike Tyson to Frank Sinatra and Orson Welles, he was the former host of BET Rap City and from appeared on the Whoopi Goldberg special.