Mr. Muscles is a fictional comic book superhero created in 1956 by writer Jerry Siegel for Charlton Comics, and drawn by Bill Fraccio for the first of two issues of his namesake comic, and by the team of penciler Charles Nicholas and inker Vince Alascia for the second. A young Dick Giordano provided the premiere issue's cover. Siegel, who co-created Superman, wrote both issues featuring Charlton's own muscleman.