Madame Mayhem Madame Mayhem's Gogi Randhawa - GEAR MASTERS (Revisited) Ep. 135 [VIDEO] On this episode of DTB’s “Gear Masters (Revisited)”, Gogi Randhawa, guitarist for the hard rock artist, Madame Mayhem, shows off the gear that he uses onstage, while on tour with Mushroomhead, Sumo Cyco and Product of Hate.