The Elizabeth Arkham Asylum for the Criminally Insane, commonly referred to as Arkham Asylum, is a fictional psychiatric hospital/prison, appearing in American comic books published by DC Comics, commonly in stories featuring the superhero Batman. It first appeared in Batman #258, written by Dennis O'Neil with art by Irv Novick. The asylum serves as a (forensic) psychiatric hospital for the Gotham City area, housing 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, he debuted in World's Finest Comics #3. The character has become one of the superhero Batman's most enduring enemies belonging to the collective of adversaries that make up his rogues gallery.
James W. "Jim" Gordon is a fictional 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, eventually succeeding him as Batman from 2015 to 2016.
Bane is a supervillain appearing in American comic books published by DC Comics. Created by writer Chuck Dixon and artist Graham Nolan, he made his debut in Batman: Vengeance of Bane #1. Bane is usually depicted as a dangerous adversary of the superhero Batman, and belongs to the collective of enemies that make up Batman's rogues gallery. Possessing a mix of brute strength and exceptional intelligence, Bane is often credited as the only villain to have "broken the bat", defeating him both physically and mentally. Bane went on to kill Alfred Pennyworth in 2019 during the City of Bane storyline. He is the son of another Batman enemy, King Snake and has a clone/daughter named Vengeance, introduced in 2021.
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 supervillain 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.
Egghead is a fictional character created for the 1960s Batman television series. Played by Vincent Price, the character was identifiable by his pale bald head and white and yellow suit. He believes himself to be "the world's smartest criminal", and his crimes usually have an egg motif to them; he also includes egg-related puns in his speech and uses various egg-themed weapons. Additionally, Egghead used deductive reasoning to deduce Batman's secret identity.
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.
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.
Amygdala is a supervillain appearing in American comic books published by DC Comics, who is an opponent of Batman. He has reduced mental capacity, near superhuman strength and endurance, and is prone to outbursts of violence due to medical experimentation on his brain, chiefly the removal of his amygdala. Amygdala is briefly referenced in an article by Joseph LeDoux, a neuroscientist and expert in the role of the anatomical amygdala in fear processing, as testament to popular interest in the brain area.
The Great White Shark, or simply Great White, is a supervillain owned by DC Comics who exists in that company's DC Universe.
"The Last Arkham" was a four-part Batman story arc that started the Batman: Shadow of the Bat comic book series in mid-1992. The storyline began in Batman: Shadow of the Bat #1, and finished in Batman: Shadow of the Bat #4. DC Comics later compiled the four issues into a trade paperback in 1995. The comic was written by Alan Grant and drawn by Norm Breyfogle and was responsible for the introduction of several new characters into the Batman universe.
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.
Mirror Man is the name of three different characters appearing in comic books published by DC Comics.
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, and others have provided the character's voice in animation and video games.
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.
