cowl with their "super sensitive Geiger counter" in the Batplane. Later on, in Batman #297 (March 1978), the impostor Mad Hatter claimed to have gone straight, but that turned out to be a lie. In 1981, it was revealed that he was in fact an impostor when the real Jervis Tetch returned. The real Hatter claimed to have killed his impostor, but the impostor Mad Hatter reappeared alive in 1987 in Detective Comics #573, where he ended up being beaten by Batman. He was treated to a cameo appearance in Secret Origins (vol. 2) #44 (1989) where he is seen in his cell at Arkham making paper hats in the story "His Name is Clayface III". Upon seeing him, one Arkham guard tells another: "He could murder ya a thousand different ways if we let 'im have any real hat--! But that doesn't stop him from tryin'!" The impostor Mad Hatter appeared in Batman #700 (2010) under the moniker the "Hatman", as well as in a flashback to his Mad Hatter days. Alternative versions As one of Batman's most recognizable and popular opponents, the Mad Hatter appears in numerous comics that are not considered part of the regular DC continuity, including: In the Batman comic strip, the Mad Hatter is a computer programing genius who discovered that his products were depleting the ozone layer. Jervis Tetch is betrayed by his business partners to keep him from reporting to the EPA. Injected with hallucinogens, Tetch was driven permanently mad, and his partners had him locked up in Arkham Asylum. There, he realized that he was driven mad with poisons from his own industry, just as hatters were, and that he was himself now “mad as a hatter!” He became obsessed with hats, which he used as a tool for revenge. After creating a mind-controlling computer chip, Tetch gave a rigged hat to the Arkham warden and secretly took control of Asylum. He then sent rigged hats to his business partners, forcing them to commit suicide. Realizing that he had a good thing going, Tetch used Arkham as his base of operations, robbing banks and experimenting his technology on inmates like the Joker, before he was eventually stopped by Batman and Harvey Dent. In the Elseworlds tale Batman: Crimson Mist- the third part of the trilogy that began with Batman & Dracula: Red Rain, which saw Batman become a vampire, the Mad