 The bums that pick up the money that Prince Akeem  (Eddie Murphy (I) (qv)) drops are the "Duke Brothers"  (Ralph Bellamy (qv) and Don Ameche (qv)) from  _Trading Places (1983)_ (qv) (also directed by  John Landis (I) (qv)). In that movie, Billy Ray Valentine (Murphy)  was responsible for The Dukes losing their fortune.