Jimmie Walker

James Carter Walker Jr. is an American actor and comedian. Walker is best known for portraying James Evans Jr., the oldest son of Florida and James Evans Sr. on the CBS television series Good Times, which ran from 1974 to 1979. Walker was nominated for Golden Globe awards Best Supporting Actor In A Television Series in 1975 and 1976 for his role. While on the show, Walker's character was known for the catchphrase "Dy-no-mite!"