Billy Batson

Billy Batson is a fictional youth and one of the main characters featured on the 1974-1976 children's superhero series Shazam!, produced by Filmation Associates. He was played by actor Michael Gray.

Overview
Billy Batson and his elderly guardian, known only as Mentor, traveled across the country in Mentor's RV righting wrongs and helping those in need. When trouble arose, Billy exited the RV, spoke the magic word "Shazam", and was instantly transformed into the super-hero Captain Marvel. When Captain Marvel intoned the word "Shazam", he would revert back into Billy Batson.