Leonard Blush, "The Masked Singer", is a local Mayberry celebrity who does all the vocals on the "Ethel Page Organ Recital" on the third Tuesday of every month, from station YLRB in Mount Pilot (and later from WMPD, "The Voice of Mount Pilot"). He is a former pupil of voice teacher Eleanora Poultice. He also sang "The Star-Spangled Banner" at the opening of the County Insecticide Convention.
The voice of Leonard Blush is played by the same actor, Howard Morris, who plays Ernest T Bass. Howard Morris did many voice over parts throughout the years until his death. Howard Morris also did some Directing on The Andy Griffith Show.