Comic Book Icon: Superman
Civilian Identity: Clark Kent, Daily Planet reporter
Allies aware of civilian identity: The JLA (Aquaman, Batman, The Flash, Green Lantern, Martian Manhunter, Plastic Man and Wonder Woman), Black Racer, Dr. Occult, the Eradicator, Green Arrow, Jon and Martha Kent (his "parents"), Lana Lang (ex-girlfriend), Lois Lane (wife), Lori Lemaris (former girlfriend), Nightwing, Phantom Stranger, the Spectre, Steel, Superboy, Supergirl, Waverider
Enemies aware of civilian identity: Bizarro, Brainiac, the Cyborg, Dominus, Mr. Mxyzptlk
Total beings aware of civilian identity: 28
Chances of being Exposed in the near future: Not likely. While most of those aware of his public persona are fellow heroes, the few villains privy to this knowledge are either currently out of commission (Dominus and the Cyborg are trapped in the phantom zone, Brainiac is stuck at the beginning of time) or could care less (Bizarro and Mxyzptlk only care for the challenge of battling Superman). Though it wouldn't hurt to be a little more hesitant to let his pals in on the secret, Supes should be ducking into phone booths for a long time.