Arkham Asylum is a fictional forensic psychiatric hospital appearing in American comic books published by DC Comics, commonly in stories featuring Batman. It first appeared in Batman #258, written by Dennis O'Neil with art by Irv Novick. Located in Gotham City, the asylum houses patients who are criminally insane, as well as select prisoners with unusual medical requirements that are beyond a conventional prison's ability to accommodate. Its high-profile patients are often members of Batman's rogues gallery.
The Scarecrow is a supervillain appearing in American comic books published by DC Comics. Created by writer Bill Finger and artist Bob Kane, the character first appeared in World's Finest Comics #3, and has become one of the superhero Batman's most enduring enemies belonging to the collective of adversaries that make up his rogues gallery.
The Riddler is a supervillain appearing in American comic books published by DC Comics. The character was created by Bill Finger and Dick Sprang, and debuted in Detective Comics #140 in October 1948. He has become one of the most enduring enemies of the superhero Batman and belongs to the collective of adversaries that make up his rogues gallery.
James W. "Jim" Gordon Sr. is a character appearing in American comic books published by DC Comics, most commonly in association with the superhero Batman. Created by Bill Finger and Bob Kane as an ally of Batman, the character debuted in the first panel of Detective Comics #27, Batman's first appearance, making him the first Batman supporting character ever to be introduced.
Bane is a supervillain appearing in American comic books published by DC Comics. Created by Chuck Dixon and Graham Nolan, the character first appeared in Batman: Vengeance of Bane #1. He has become one of the superhero Batman’s most enduring enemies belonging to the collective of adversaries that make up his rogues gallery.
Clayface is an alias used by several supervillains appearing in American comic books published by DC Comics. Most incarnations of the character possess clay-like bodies and shapeshifting abilities, and all of them are adversaries of the superhero Batman. In 2009, Clayface was ranked as IGN's 73rd-greatest comic book villain of all time.
Hugo Strange is a supervillain appearing in comic books published by DC Comics, commonly as an adversary of the superhero Batman. The character is one of Batman's first recurring villains, and was also one of the first to discover his secret identity. The character first appeared in Detective Comics #36.
The Mad Hatter is a supervillain appearing in comic books published by DC Comics, commonly as an adversary of the superhero Batman. He is modeled after the Hatter from Lewis Carroll's novel Alice's Adventures in Wonderland, a character often called the "Mad Hatter" in adaptations of Carroll. A scientist who invents and uses technological mind control devices to influence and manipulate the minds of his victims, the Mad Hatter is one of Batman's most enduring enemies and belongs to the collective of adversaries that make up Batman's rogues gallery.
Killer Croc is a supervillain appearing in American comic books published by DC Comics. Created by Gerry Conway, Don Newton and Gene Colan, the character was introduced in Batman #357. He has become one of the most enduring enemies of the superhero Batman and belongs to the collective of adversaries that make up his rogues gallery.
Victor Zsasz, also known as Mr. Zsasz or simply Zsasz, is a villain appearing in comic books published by DC Comics. The character first appeared in Batman: Shadow of the Bat #1. He is a sadomasochistic and psychopathic serial killer who carves a tally mark onto himself for each of his victims. A recurring adversary of the superhero Batman, Zsasz belongs to the collective of enemies that make up Batman's rogues gallery.
Carmine Falcone is a villain appearing in American comic books published by DC Comics, portrayed as a powerful mob boss, an enemy of Batman, and an acquaintance of the Wayne family. He has also been depicted in some versions as the illegitimate father of Catwoman.
Black Mask is a supervillain appearing in comic books published by DC Comics. Created by Doug Moench and Tom Mandrake, the character debuted in Batman #386. He is commonly depicted as a brutal and ruthless crime lord in Gotham City who has a fixation with masks and derives sadistic pleasure from the act of torture. Black Mask is one of the most enduring enemies of the superhero Batman and belongs to the collective of adversaries that make up his rogues gallery.
Firefly is a supervillain appearing in American comic books published by DC Comics. Created by France Herron and Dick Sprang, he made his debut in Detective Comics #184. Initially portrayed as a criminal who utilized lighting effects to commit robberies, Firefly was later reimagined as a sociopathic pyromaniac with an obsessive compulsion to start fires following Crisis on Infinite Earths' reboot of the DC Universe in the 1980s. This darker depiction of the character has since endured as one of the superhero Batman's most recurring enemies and belongs to the collective of adversaries that make up his central rogues gallery.
Hush is a supervillain appearing in American comic books published by DC Comics. Created by Jeph Loeb and Jim Lee, the character first appeared in Batman #609 in January 2003 as part of the twelve-issue storyline Batman: Hush. Hush serves as a criminal foil to the superhero Batman, as an example of what Batman could have been had he used his intellect and wealth for malice, and belongs to the collective of adversaries that make up his rogues gallery.
Calendar Man is a supervillain appearing in American comic books published by DC Comics, as an enemy of the superhero Batman, belonging to the collective of adversaries that make up Batman's rogues gallery. Calendar Man is known for committing crimes that correspond with holidays and significant dates. He often wears costumes to correlate with the date of the designated crime. His name is a reference to the Julian and Gregorian calendars. In his debut, the character was presented as a joke villain, but in later years, writers developed Calendar Man as a dark, disturbed criminal who toys with Batman.
Alberto Falcone is a fictional comic book villain appearing in books published by DC Comics, in particular the Batman books. In addition to being a mobster, he has also made appearances as the Holiday Killer, a serial killer featured in Batman: The Long Halloween and Batman: Dark Victory.
The Dollmaker is the name of several supervillains appearing in American comic books published by DC Comics.
Flamingo is a supervillain appearing in American comic books published by DC Comics, commonly as an adversary of Batman.
Jane Doe is a character appearing in American comic books published by DC Comics. She first appeared in Arkham Asylum: Living Hell #1 and was created by Dan Slott and Ryan Sook.
