James Evans Jr. is a fictional character from the television show Good Times, which aired from 1974 to 1979. He is the teenage son of James Evans Sr. and Florida Evans, and he is portrayed by actor Jimmie Walker. James Jr. is known for his humorous personality and his catchphrase, "Dy-no-mite!" He often navigates the challenges of growing up in a Chicago housing project while supporting his family. In the series, James Jr. is depicted as a bright and ambitious young man who dreams of a better life. He faces various social and economic issues alongside his siblings, Thelma and Michael. The show highlights the struggles and resilience of the Evans family, making James Jr. a relatable character for many viewers.