Correction, Superman-- The new, improved Blackrock! Now I can fly by riding waves of broadcasting-signals in the atmosphere! I tried once before to pre-empt you-- And failed... But I'm no longer "experiencing technical difficulty"! I have greater powers now-- Thanks to my new black rock-- So, Supie-baby, this is your last show of the season! 
Superman #315 is an issue of the series Superman (Volume 1) with a cover date of September, 1977.
Synopsis for "Good Evening, Superman--I'm Clark Kent... and You're Not!"
Superman and Supergirl send the captured Kryptonian Nam-Ek into the Phantom Zone, believing him too dangerous to be free due to his super powered insanity. Then, after a brief fray with several SKULL thugs, the Man of Steel meets a new Blackrock, infused into the body of comedian Les Vegas.
Appearing in "Good Evening, Superman--I'm Clark Kent... and You're Not!"
Featured Characters:
- Superman (Flashback and main story)
Supporting Characters:
- Supergirl
- Steve Lombard (Mentioned only)
- Lois Lane (Mentioned only)
- Pete Ross (Mentioned only)
- Jon Ross
- Inspector Bill Henderson (Mentioned only)
- Morgan Edge
- Jenet Klyburn
Antagonists:
- Blackrock (Les Vegas) (Single appearance)
- Nam-Ek (Flashback and main story)
- SKULL
- Four Members (Unnamed) (Single appearance; dies)
Other Characters:
- Lola Barnett
- Samuel Tanner (Flashback and main story) also as (Blackrock)
- Peter Silverstone (Flashback and main story)
- Clark Kent's future co-anchor (Mentioned only)
- ABC Network (Mentioned only)
- Barbara Walters (Mentioned only)
- Harry Reasoner (Mentioned only)
- Gerald Ford (Mentioned only)
- Laverne Truman (Mentioned only)
- William Morris Agency (Mentioned only)
Locations:
- The Sun (Mentioned only)
- North Pole
- Central City (Flashback only)
- Phantom Zone (Mentioned only)
- West Indies
- Volcano
- Metropolis
- 344 Clinton Street
- Clark Kent's Apartment
- Metropolis Bay
- Galaxy Communications Building
- Clark Kent's Dressing Room
- United Broadcasting Company
- UBC Friday Night Revue Studio
- Daytime Game Show Studio
- S.T.A.R. Labs (Midtown HQ)
- Police Headquarters (Mentioned only)
- 344 Clinton Street
Items:
- Journalist Disease (Mentioned only)
- Phantom Zone Projector
- SKULL Alarm (just installed in the Fortress of Solitude)
- Green Kryptonite
- Obsidian Stone (Destroyed)
Vehicles:
- SKULL Saucer (Destroyed)
Notes
- Morgan Edge has decided that Clark Kent will have a co-anchor for the Channel 8 6pm news telecast like the big networks have.
- Superman captured three SKULL members in the West Indies, but Dr. Klyburn mentioned that four SKULL members died upon arrival at the police station.
Trivia
- The title of the story is a reference to Chevy Chase's famous line from Saturday Night Live: "I'm Chevy Chase... and you're not".