Gr8erDays on Instagram: "Turning 93 on June 17 is muscleman Peter Lupus. A bodybuilder in the ‘50s and ‘60s, he did okay for himself in a variety of sword-and-sandal epics, including the colorfully titled “Hercules and the Tyrants of Babylon” (1964), and also showed up in the beach movie “Muscle Beach Party” (1964), credited as Rock Stevens. But things REALLY kicked into high gear for Mr. Lupus — my Mantique of the Day — when he played Willy Armitage on “Mission: Impossible” (1966-1973), a legit