The Mad Hatter (Jervis Tetch) is a supervillain appearing in American 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.

The Mad Hatter has been substantially adapted from the comics into various forms of media, including feature films, television series, and video games. He has been voiced by Roddy McDowall in the DC animated universe and Peter MacNicol in the Batman: Arkham video game series, among others. He has also been portrayed in live-action by David Wayne in the 1960s Batman series, and Benedict Samuel in the Fox series Gotham. A variation of the character named Liam Crandle appeared in the third season premiere of the Arrowverse series Batwoman, portrayed by Amitai Marmorstein.

Publication history and characterization Created by Bill Finger and Lew Sayre Schwartz, the Mad Hatter made his first appearance in Batman #49 (October 1948). Jervis Tetch is fascinated with hats of all shapes and sizes, as well as the Lewis Carroll's children's book Alice's Adventures in Wonderland and its sequel Through the Looking-Glass, particularly favoring the chapter "A Mad Tea Party". According to Dr. Blakloch of Arkham Asylum:

Blakloch also notes that when agitated, Tetch begins rhyming as a defence mechanism. Tetch often quotes and makes reference to Carroll's Wonderland novels, and sometimes even fails to discern between these stories and reality. In addition to his obsession with Lewis Carroll, Tetch has also shown an additional obsession with hats. In Secret Six, he will not eat a piece of food that does not have a hat on it, and states that he is not interested in the sight of his naked teammate Knockout because she is not wearing a hat. In the graphic novel Arkham Asylum: A Serious House on Serious Earth, it is strongly implied that he is a pedophile. His storylines in Streets of Gotham #4 and Jeph Loeb and Tim Sale's Batman: Haunted Knight also imply an unhealthy fixation on children, such as when he kidnaps a young Barbara Gordon and forces her into a tea party dressed as Alice, as well as kidnapping other runaway children and dressing them up like characters from Alice's Adventures in Wonderland.

Fictional character biography Backstory Growing up, Tetch was a lonely, awkward child, shunned by other children and living in his own fantasy world. As an adult, he becomes a neuroscientist, and at some point moves into a boarding house owned by Ella Littleton. There he befriends Ella's daughter, Connie, and her friends in her junior high school computer club, sometimes helping them with their projects. A few years later, when Connie is in high school, she gets pregnant. Fearing the reaction of her extremely strict mother, Connie lies to her and claims she had been raped by someone on her high school's baseball team, the Gotham Hawks. Ella, in turn, approaches Tetch for help and convinces him that the Gotham Hawks are "bad kids". Tetch agrees to use his mind control technology on a member of the team, making him use a pipe bomb to kill the other players. Although this is Tetch's first known criminal act, his involvement in the locker room bombing would not be discovered until years later.

Criminal career Golden Age

In his first appearance as the Mad Hatter, Tetch attempts to steal a trophy from the Gotham Yacht Club, and begins a crime spree that ends when he is foiled by Batman while he is trying to rob spectators from a high society horseshow. Tetch is subsequently sent to Arkham Asylum (although his fate is not revealed until Detective Comics #510). The Mad Hatter is not seen again in the Golden Age of Comic Books.

Silver Age Beginning with Detective Comics #230 and then throughout the Silver Age of Comic Books, an impostor Mad Hatter appears and clashes with Batman many times. He is revealed as an impostor when the Mad Hatter finally reappears, claiming to have "disposed of the impostor" (although the impostor would return one last time in Detective Comics #573 in 1987). Accompanied by several henchmen and a pet chimpanzee (named "Carroll Lewis", although the Mad Hatter claims that the chimp refuses to tell him how it came to have that moniker), the Mad Hatter kidnaps Lucius Fox, the C.E.O. of Wayne Tech. Although he holds Fox for ransom, the Mad Hatter also unveils a device allowing him to copy the knowledge in Fox's brain, which he intends to use to make an additional fortune. However, Fox is rescued by Batman, who also captures the Mad Hatter and his henchmen.

The Mad Hatter's next appearance marks the first time he is portrayed in comics with the mind-controlling devices for which he would eventually become best known. Allying himself with other villains in an attempt to kill Batman, Hatter uses a mind-controlling hat on Scarecrow, forcing the villain (who had been paralyzed with fear) to fight. When Batman overcomes his attackers, Tetch flees and appears to die on a bridge under the wheels of a train. In actuality he had escaped by jumping onto a truck that had been passing underneath the bridge. Subsequent encounters with Batman resulted in Tetch being sent to Arkham.

During another early encounter with Batman, the Mad Hatter escapes from Arkham in time for Halloween, and makes his home in an old mansion that had been abandoned after a gruesome murder years before. Retreating deeply into his delusions about Wonderland, Tetch offers sanctuary to runaway children, asking them in return to dress up as characters from Alice in Wonderland and attend his tea parties, where he serves them drugged tea to keep them sedated. Around this time, the teenage Barbara Gordon comes to Gotham City, having been adopted by her uncle, Commissioner Jim Gordon, following the death of her parents. Barbara sneaks out against her uncle's orders, and goes to Gotham Park, where she soon finds herself being chased by a group of masked men with knives. The group surround her, and begin implying that they will molest or rape her, provoking her to scream for help. The Mad Hatter appears and scares the men away with his gun. Tetch takes her to his "Wonderland", where she is expected to play the role of Alice. When she refuses to drink tea and asks to leave, Tetch angrily smashes a teapot, scaring another of the runaways into sneaking away while Tetch's attention is on Barbara. The boy leads the police and Batman to Tetch's hideout, and Tetch is defeated by Batman while Commissioner Gordon rescues Barbara.

When Black Orchid visits Arkham Asylum, attempting to find out more about her past from Poison Ivy, she is assisted by Tetch. After Ivy refuses to help Orchid, Tetch tries to cheer her up. He also reveals he has been helping other inmates at Arkham, such as bringing Ivy things to make her plant-animal hybrids with. "I believe in helping people," he explains. "We were all put here for a purpose, I say. But it's still nice to get a thank-you." Tetch is delighted to receive a small flower as thanks for his help. Tetch is also aware of Animal Man's identity as Buddy Baker. He is seen laughing hysterically in Arkham with the final page of "The Return with the Man of the Animal Powers", the second Animal Man story, after which he is dragged back to his cell.

In the Knightfall saga, the Mad Hatter is the first to strike, following the breakout from Arkham. He invites all criminals to a tea party to which Batman and Robin would come. One of the criminals was Film Freak, on whom Tetch uses a mind control device, sending him to find the person that broke them out of Arkham. Batman and Robin come and defeat the Mad Hatter as Film Freak is defeated by Bane. In Robin: Year One, millionaire third-world dictator Generalissimo Lee hires the Mad Hatter to kidnap a number of young girls using his mind control devices. The Mad Hatter does so by implanting the devices in Walkmen, which he gives out to girls at Dick Grayson's school. The young Robin manages to defeat the Mad Hatter, however.

Another plan consisted of implanting his devices in "free coffee and donuts" tickets he handed out in front of the police stations in Gotham. That plan had him controlling most of the cops in the city, inciting them to steal for him, and ultimately to riot. He even had Gotham police detectives Crispus Allen and Renee Montoya break into a bank for him. Sasha Bordeaux helped Batman stop him this time around. The Mad Hatter shows up in Gotham City after it is rocked by a devastating earthquake. He adds to his body count, callously murdering a policeman. His goal is to unearth a trove of valuables, which in the end turn out to be classic hats. Tetch's role in the deaths of the Gotham Hawks High School Baseball team is eventually discovered by detectives in the Gotham City Police Department. Tetch, imprisoned at Arkham at the time, is interviewed to try to find his motive. After sending the police away, telling them that the team had been "bad kids" and that they "deserved it", Tetch contacts Ella Littleton and warns her that the police might uncover her role in the bombing. Tetch had given her one of his mind-controlling hats years before, which she used to try to take control of a guard and try to help Tetch escape from Arkham. The Hatter is caught as he tries to escape, and the mind-controlled guard fires on police before dying in return fire. Tetch himself is shot multiple times and left in critical condition. Distraught at the news, Elle Littleton inadvertently tells her daughter Connie that Tetch had killed the team for her, to "avenge her honor". Connie informs the police of everything that had happened, and Ella Littleton is arrested. While working with Black Mask, the Mad Hatter implants a mind control chip directly into Killer Croc's brain, which causes him to mutate again due to the virus he had been injected with by Hush and the Riddler. Killer Croc embarks on a quest to get payback on those responsible for his mutation, and starts with the Mad Hatter. Batman arrives in time to save him, but Killer Croc escapes. During Infinite Crisis, the Mad Hatter is first seen being roundly beaten by Argus, and then later fighting with the Secret Society of Super Villains during the Battle of Metropolis.

"One Year Later"/Secret Six During One Year Later, Tetch is revealed to have been involved in the plot by the Great White Shark to frame Harvey Dent for murdering various Gotham criminals in the Detective Comics storyline Face The Face. The capacity in which he is involved is left vague, however. Tetch's base of operations in Gotham City is destroyed following a search for an atomic weapon, by the former Robin, Tim Drake, and the current Captain Boomerang, Owen Mercer. A recording of Tetch appears on a monitor screen and tells them that the roof will be the final hat they will ever wear as it falls down on them. Robin and Boomerang narrowly escape the building. He is later approached by Catman, and he joins the members of the Secret Six to oppose the Secret Society of Super Villains; they have recruited him in hopes of a defense against Doctor Psycho's mind control abilities. When Rag Doll attacks the Secret Six under Psycho's control, Tetch puts on what he calls his "thinking cap" and goes into a seizure. After the Six crash-land, they are attacked by the Doom Patrol, who come close to apprehending the Six until Mad Hatter steps in and uses his mind control abilities to subdue the Doom Patrol singlehandedly, going so far as to almost make Elasti-Girl eat Beast Boy before Scandal Savage stops him.