List of Superman supporting characters

The List of supporting characters in "Superman" is the cast of characters secondary to the main character of Superman in the Superman comics, television programs, cartoons, and movies. Almost all versions reference the source material of the comic book version and therefore the various iterations in all forms of media share an overlapping set of characters.

At least three mayors are known to be considered part of Metropolis' history and have interacted with Superman and his supporting characters:

Although Superman is often called the Last Son of Krypton, a number of other superpowered heroes, either directly Kryptonian, partially Kryptonian, or non-Kryptonian but with some association to Superman, have appeared across his long history. Some of these are:

There have been a number of characters who appeared in Superman television shows, movies, and radio dramas that never made their way to the comics. Among them are:

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