James (J.J.) Evans, Jr. is James and Florida's oldest child. A gifted artist, J.J. dreams of becoming famous and one day taking his family out of poverty. Until that day, J.J.'s responsibilities include doing well in school and looking out for his younger siblings. Unfortunately, he doesn't do too well at either one. With the exception of art class, he's a less-than-average student. He's not much help around the house, and his constant bickering with Thelma keeps his parents constantly refereeing. Instead of being the model son, J.J. is more concerned with using his good looks, sweet talk and clever wit to attract the ladies and outrun the muggers.   But no matter what J.J. does, he makes sure that everything is always "Dyn-o-mite!"