CharacterBartow (villain, introduction), Butch Matson (villain), Butch (Villain), Marchetti (villain), Superman (origin) (introduction), Marty Kaye (Villain), "Slugger" Barnes, Mary Kent (death) (introduction), Jock Kane, Lola Cortez, Coach Randall (villain), Trigger, Pete (Villain), Clark Kent (origin) (introduction), Emil Norvell, Tommy Burke, Villains: Alex Greer, Frankie Dennis, Governor Bixby, Holloway, Box-Ears, dies), Villains: Meek, Johnny, Nick, George Taylor (first time named), George Taylor (cameo), Ambrose (a monkey, dies), Lubane (villain, introduction, death), Nick Williams (villain, introduction), Butch Grogan (villain, introduction, death), "Big Boy" Chaney (villain), V: Ultra-Humanite, Thornton Blakely (villain), Nat Grayson (villain, introduction), Professor Adolphus Runyan (dies), Carlyle, Lois Lane, Jimmy Olsen (introduction, as an office boy), Sims, Pinky, Ultra-Humanite, Gene Powers, Lyons, Alex Greer (villain), Pete Asconio (cameo, Police Commissioner Watson, Senator Hastings, Frankie Marello, Ultra-Humanite (introduction), Jack O'Leary, Curly, Lew Frawley (villain, intro), Bea Carroll (villain), Walter Crane, Jimmy Olsen (as unnamed office boy), Trixie (Villain), Tom Croy (villain), Bronson, Larry Trent (introduction), Detective Captain Reilly, Dr. Travers, Evelyn Curry, Superintendent Wyman, Superman (Clark Kent), Larry, Senator Barrows (villain), George Taylor (unnamed), Nick Stone (villain), Jordan, George Taylor, George Taylor (introduction, unnamed), Mary, Mugsy (villain), Gimpy (villain), Villain: Ultra-Humanite, Derek Niles (villain), Mortimer Snoop, Charlie Bennett, Lyman (villain, introduction), Hamilton (editor of the Morning Herald, villain), Warren Kenyon, Nick (Villain), Stanislaw Kober, The Chief, City Inspector Hughes, Villains: Reynolds, Pa Kent (death) (introduction)
Series TitleSuperman: the Golden Age