The Hot Mix 5 are an American DJ team originating from Chicago, Illinois, who were chosen by WBMX Program Director, Lee Michaels in 1981. The founding members were Farley "Funkin" Keith (later known as Farley "Jackmaster" Funk), Mickey "Mixin" Oliver, Ralphi Rosario, Kenny "Jammin" Jason, and Scott "Smokin" Silz. In 1982, Scott Silz was asked to leave the group and was replaced by Julian "Jumpin" Perez in 1984, as the winner of a HMF sponsored DJ Battle.