Poison Ivy is a character appearing in American comic books published by DC Comics. Created by writer Robert Kanigher and artist Carmine Infantino, she debuted in Batman #181 and has become one of the superhero Batman's most enduring enemies belonging to the collective of adversaries that make up his rogues gallery.
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.
Harley Quinn is a fictional character appearing in American comic books published by DC Comics. She was created by Paul Dini and Bruce Timm for Batman: The Animated Series as a henchwoman for the Joker, and debuted in its 22nd episode, "Joker's Favor", on September 11, 1992. While intended to appear in one episode, Quinn became a recurring character within the DC Animated Universe (DCAU) as the Joker's sidekick and love interest, and was adapted into DC Comics' canon seven years later, beginning with the one-shot Batman: Harley Quinn #1. Quinn's origin story features her as a former psychologist at Gotham City's Arkham Asylum who was manipulated by and fell in love with the Joker, her patient, eventually becoming his accomplice and lover. The character's alias is a play on the stock character Harlequin from the 16th-century Italian theater commedia dell'arte.
Man-Bat is a fictional character appearing in American comic books published by DC Comics. Introduced in Detective Comics #400 as an enemy of the superhero Batman, the character belongs to the collective of adversaries that make up his rogues gallery. Originally portrayed as a supervillain, later incarnations show the Man-Bat as a sympathetic villain or antihero.
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 Detective Comics #523. 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.
The Ventriloquist is the name of multiple supervillains appearing in American comic books and other media published by DC Comics. All of the Ventriloquist's versions are enemies of Batman, belonging to the collective of adversaries that make up Batman's rogues gallery.
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.
The Ratcatcher is a character appearing in American comic books and other media published by DC Comics, primarily as an enemy of Batman. He belongs to the collective of adversaries that make up the Dark Knight's rogues gallery. Once an actual rat-catcher in Gotham City, Flannegan sank into a life of crime. Calling himself the Ratcatcher because of his special ability to communicate with and train rats, Flannegan has used his minions to plague Gotham on more than one occasion by unleashing hordes of the vermin.
The Joker, a supervillain in DC Comics and archenemy of the superhero Batman, has appeared in various media. WorldCat records over 250 productions featuring the Joker as a subject, including films, television series, books, and video games. Live-action films featuring the character are typically the most successful.
Catwoman is a fictional character first appearing in issue 1 of the Batman comic book. After her debut she would appear in many forms of media including live-action and animated film, radio, live-action and animated television, records, video games, web series, live performance, and podcasts. The character has made live-action appearances in the Batman television series (1966–68), its film adaptation Batman (1966), Batman Returns (1992), Catwoman (2004),The Dark Knight Rises (2012), Gotham (2014–19), and The Batman (2022). The character has also appeared in numerous animated television series and movies, most notably Batman: The Animated Series (1992–95) and The Lego Batman Movie (2017), as well as video games such as the Batman: Arkham series.
The Scarecrow, a supervillain in DC Comics and an adversary of the superhero Batman, has been adapted in various forms of media, including films, television series, and video games. The character has been portrayed in film by Cillian Murphy in The Dark Knight Trilogy, and in television by Charlie Tahan and David W. Thompson in the Fox series Gotham, and Vincent Kartheiser in the HBO Max streaming series Titans. Henry Polic II, Jeffrey Combs, Dino Andrade, John Noble, Robert Englund, Elijah Wood and others have provided the Scarecrow's voice in animation and video games.
The supervillain the Penguin, created by Bob Kane and Bill Finger, made his first appearance in Detective Comics #58. Since then, he has been adapted into other forms of media, including feature films, television series, and video games.
