Aside from the Joker , notable inmates in the Arkham Asylum include Captain Boomerang , a version of Red Hood .
Aside from the Joker , notable inmates include : The Riddler , Scarecrow , Bane , Killer Croc , Man Bat , Two-Face , Catwoman , Clayface , Poison Ivy , Mr . Freeze , the Penguin , Crazy Quilt , Eraser , Polka-Dot Man , Mime , the Catalina Flores Tarantula , King Tut , Egghead , Orca , Killer Moth , March Harriet , Zodiac Master , Gentleman Ghost , Clock King , Calendar Man , Kite-Man , Catman , the second Zebra Man , Condiment King , Hugo Strange , Doctor Phosphorus , Calculator , Captain Boomerang , a version of Red Hood , andthe Kabuki Twins.
Arkham Asylum