NOTE: A new, and more current version of the Who's Who is currently being worked on and can be accessed by clicking here.
Although Superman often appears in other DC Comics, this text's information is limited mainly to what has occurred in the regular Superman comics.
Many thanks to Scotty V, Derrick Lyle Coleman, Dean Vanek, Genevieve Clemens and Benjamin Grose who all helped out at one time or another with writing and updating these Who's Who descriptions.
The listings are displayed as follows:
First Appearance refers to the issue since 1986 unless otherwise noted.