Who supplied the voice for the gremlin Gizmo in Gremlins (1984)? July 18, 2020 by Pamela Landy Howie Mandel did the voice for the gremlin Gizmo in Gremlins (1984). Related Answers What was a summoner or A canon’s yeoman or A franklin or A manciple or a reeve? How long has the Oberammergau Passion Play been staged? How did Margaret Mitchell die? What is the correct pronunciation of the name Edward Said? Was there a real Mr. Micawber? What critic coined the phrase the “American Renaissance”?