"Lenny's Inferno" was a hosted horror movie show aired by WMTV Channel 15 Madison Wisconsin between 1969 and 1982, with Dick Flanigan as "Mr. Mephisto" and John Sveum as "The Voice in the Box"

Ferd Mattioli had sponsored "Ferdy's Inferno" from 1964 to 1968, when due to ill health, ended the sponsorship. When Mattioli's brother, Len took over his brother's business, he decided to re-launch the show as "Lenny's Inferno" with a new host. The show ran from 5 September 1969 till 21 May 1982. Len Mattioli would again re-launch the show with WCGV-TV Milwaukee in 1988.—The Professor