durvasa said:
Alfred
Alfred Pennyworth
Lesile Thompkins
Harold Alnut (deceased)
Nightwing/Dick Grayson (aka Robin, Bat-Squad, the Outsiders, formerly the Titans)
Robin/Tim Drake (Bat-Squad, Teen Titans, formerly Young Justice)
Batgirl/Cassandra Cain (Bat-Squad)
Oracle/Barbara Gordon (Birds of Prey, formerly Bat-Squad)
Sasha Bordeaux (Checkmate, formerly Bat-Squad)
Robin/Jason Todd (deceased, Bat-Squad)
Azrael/Jean Paul Valley (deceased, Bat-Squad)
Catwoman/Selina Kyle
Shondra Kinsolving
Jack Drake (deceased)
Henri Ducard
Ra's Al Ghul (deceased)
Talia al Ghul (aka Talia Head)
Nyssa Raatko (aka Ra's Al Ghul)
the Riddler/Edward Nygma
Hush/Tommy Elliot
Bane
David Cain
Superman/Clark Kent/Kal-El (Justice League)
Wonder Woman/Diana Prince (Justice League)
Green Lantern/Hal Jordan (aka the Spectre, Justice League)
Green Lantern/Kyle Rainer (Justice League)
the Flash/Barry Allen (deceased, Justice League)
the Flash/Wally West (Justice League, formerly the Titans)
Aquaman/Arthur Curry Orin (Justice League)
Martian Manhunter/J'onn J'ones (Justice League)
Plastic Man/Edward O'Brian (Justice League)
Green Arrow/Oliver Queen (Justice League)
Atom/Ray Palmer (Justice League)
Superboy/Conner Kent/Kon-El (Superman's team/Teen Titans)
Elongated Man/Ralph Dibny (JL Reserve)
Zatana Zatara (JL Reserve)
Jean Lorring
Lois Lane
Sue Dibny (deceased)
People Who Most Likely Know
fmr. Commissioner Jim Gordon (formerly GCPD)
Deathstroke/Slade Wilson
Lex Luthor
People Who Do Not Know
the Huntress/Hellina Bertinelli (Birds of Prey)
Black Canary/Dinah Lance (Birds of Prey)
the Spoiler/Stephanie Brown (deceased, aka Robin, formerly Bat-Squad)