List of notable inmates
Alberto Falcone[11]
Bane[10]
Black Mask
Blockbuster[12]
Calendar Man[10][11]
Clayface (Basil Karlo,[10] Matt Hagen, Preston Payne[1] & Sondra Fuller)
Crazy Quilt
Deadshot[13]
Doctor Phosphorus
The Great White Shark[9]
Harley Quinn[10]
Hugo Strange
Jeremiah Arkham
The Joker[1][10]
Killer Croc[1][10]
Killer Moth
Lock-Up
The Mad Hatter[1]
Magpie[9]
Maxie Zeus[1]
Mr. Freeze[10]
Music Meister
Mr. Zsasz[10]
Poison Ivy[10]
Professor Milo[1]
Professor Pyg (Lazlo Valentin)[14]
Prometheus
Ra's al Ghul (committed as "Terry Gene Kase")[15]
The Riddler
The Scarecrow[1][10]
Signalman[12]
Tally Man II[16]
Two-Face[1]
Vanity (Vera Klopis)[17]
The Ventriloquist
[edit] Others
Adam Strange (only in the DC: New Frontier version of Earth)[18]
Ambush Bug[19]
Amadeus Arkham[1]
Amygdala[20]
Batman[21][22]
Brainwave[23]
Cheetah (Barbara Minerva)[24]
Condiment King[25] Bloodshot Vague Nemesis AD Nelzon Zero%
Dr. Destiny[26][1]
Doug Moench & Norm Breyfogle[nb 1]
The Dummy[28]
Egghead[29]
Floronic Man[30]
Humpty Dumpty[9]
Jean Loring[31]
The Key[32]
Kobra[33]
Nightwing (committed as "Pierrot Lunaire")[34]
Professor Ivo[35]
Psycho-Pirate[36]
Toyman[37]
Vox[38]
Zatanna[39]