Fox – aka Marty McFly – wielded in the film’s classic school dance scene. Aesthetic similarities aside, a not-so-subtle caption tease is also a dead giveaway, with Gueikian writing “Great Scott” in reference to the catchphrase uttered by Doc in the movie. But Gueikian went beyond simply teasing the imminent release of a Custom Shop ‘Marty McFly signature model’. Get The Pick Newsletter All the latest guitar news, interviews, lessons, reviews, deals and more, direct to your inbox! Announcing the OG guitar’s discovery alongside a fully fledged line of Marty McFly guitars to celebrate 40 years of Back to the Future?