The character was created by Jerry Siegel and Joe Shuster [often mis-spelled "Joe Schuster"], both of whom were Jewish.The character of Superman, however, has always been depicted as having been raised with a solidly Protestant upbringing by his adoptive Midwestern parents - Jonathan and Martha Kent.Although possibly not "canonical" at the time that Maggin gave this interview, this notion appeared already to have widespread support and subsequently grew in popularity.
Superman has, however, occasionally visited clergymen of various Christian denominations for purposes of counsel, guidance, or confession. (This funeral is for Larry Lance, who was the husband of Superman's JSA teammate Dinah Lance, a.k.a.
The creation of Superman and his alter ego Clark Kent was a manifestation of the desire by Siegel and Shuster to "pass" in mainstream population and also to assert control in a world that had often left them feeling powerless, such as when Siegel's father was murdered.
As is often the case with a character or franchise of extraordinary longevity, Superman has been reconceived multiple times ("retconned" in comic book parlance).
#850 (August 2007), for example, identifies Methodism by name as the denomination that Clark Kent and his mother attended.
Jonathan also raised his adopted son with staunch Protestant values, but Jonathan has never been much of a churchgoer.