At the beginning of the video he mentions that Shazam was originally called Captain Marvel. For anyone interested in the history:
The Two CAPTAINs MARVEL and Why One is Now SHAZAM
"I am allergic to piety, it makes me break out in rash judgements." - Penn Jillette
"I have never killed a man, but I have read many obituaries with a lot of pleasure." - Clarence Darrow
"The man who invented the telescope found out more about heaven than the closed eyes of prayer ever discovered." - Robert G. Ingersoll