Actor Jimmy Walker remains synonymous with J.J., the shambling, bucket hat-wearing string bean he played on Norman Lear's hit '70s sitcom Good Times. Yes, his character came to eclipse the show itself, accelerating its devolution from a nuanced portrayal of a loving black family living in Chicago's Cabrini Green projects to a goofy over-the-top caricature. That's the bad news. The good news is that his hat game was pure geek-funk "Dy-no-mite!"