Jimmy
Jimmy (Garrett Morris) was supposedly a child that George and Louise has sponsored and sent money to for years. However in their first visit with Jimmy, they realize he was an adult con-man. The character Jimmy appeared in five episodes from 1983-1984. Jimmy was a member of the historically black fraternity Alpha Phi Alpha. Morris was exactly a year older than Sherman Hemsley who played George.
Read more about this topic: List Of The Jeffersons Supporting Characters