When determining who Batman's most terrifying villain is, a number of names typically float to the top. The most traditional answer would likely be the Joker, or perhaps one of Dark Knight's more horror-centric villains such as Professor Pyg or the Batman Who Laughs. According to one Batman writer, however, the answer to Gotham's scariest villain is none other than The Riddler himself.
Edward Nygma, a.k.a. The Riddler, first appeared in 1948's Detective Comics #140 by Bill Finger and Dick Sprang. One of Batman's classic gimmick villains, Nygma leaves a trail of riddles and clues to his crimes, providing the Dark Knight more of a mental challenge than a physical threat. In the current canon, Riddler served as Batman's first costumed villain through his takeover of Gotham during New 52's Zero Year. This event saw Nygma cut the power to Gotham City in an attempt to purge the uneducated and only allow the smart and resourceful to survive. After being defeated, Riddler carried his rivalry between himself and the Dark Knight to the present day, repeatedly engaging in (and losing) battles that challenged Batman's mental prowess.
Related: The Batman's Riddler is Still G-Rated Compared To DC's New Villain
Fresh off his recent sinister depiction in The Batman, Riddler returns to the page in Batman — One Bad Day: The Riddler in August. The 64-page single issue is part of a series of Batman — One Bad Day graphic novellas, named after Joker's notable philosophy from The Killing Joke and centered around the Dark Knight's greatest villains: Riddler, Two-Face, The Penguin, Mr. Freeze, Catwoman, Bane, Clayface and Ra's Al Ghul. The one-shots each have a different creative team behind the helm, with Tom King and Mitch Gerads working on
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