Writer Dennis O’Neil and artist Neal Adams had their first collaboration on Batman on the story “The Secret of the Waiting Graves” in issue #395 (Jan. 1970). The duo, under the direction of Schwartz, would revitalize the character with a series of noteworthy stories reestablishing Batman’s dark, brooding nature and taking the books away from the campy look and feel of the 1966–68 ABC TV series. Comics historian Les Daniels observed that “O’Neil’s interpretation of Batman as a vengeful obsessive-compulsive, which he modestly describes as a return to the roots, was actually an act of creative imagination that has influenced every subsequent version of the Dark Knight.” Adams introduced the Man-Bat with writer Frank Robbins in Detective Comics #400 (June 1970). O’Neil and artist Bob Brown crafted Batman’s first encounter with the League of Assassins in Detective Comics #405 (Nov. 1970) and created Talia al Ghul in issue #411 (May 1971).
After publishing on a monthly schedule throughout its run, Detective Comics became a bi-monthly book from issues #435 (June–July 1973) to #445 (Feb.-March 1975). Issues #438 (Dec. 1973-Jan. 1974) to #445 (Feb.–March 1975) of the series were in the 100 Page Super Spectacular format. O’Neil and artist Dick Giordano created the Batman supporting character Leslie Thompkins in the story “There Is No Hope in Crime Alley” appearing in issue #457 (March 1976). Writer Steve Englehart and artist Marshall Rogers produced an acclaimed run of Batman stories in Detective Comics #471–476 (Aug. 1977 – April 1978), and provided one of the definitive interpretations that influenced the 1989 Batman movie and would be adapted for the 1990s animated series. The Englehart and Rogers pairing, was described in 2009 by comics writer and historian Robert Greenberger as “one of the greatest” creative teams to work on the Batman character. In their story “The Laughing Fish”, the Joker is brazen enough to disfigure fish with a rictus grin, then expects to be granted a federal trademark on them, only to start killing the bureaucrats who try to explain to him that obtaining such a claim on a natural resource is legally impossible. Writer Len Wein and Rogers co-created the third version of the supervillain Clayface in Detective Comics #478 (July–Aug. 1978). The original Katherine Kane also known as “Batwoman” was killed in the lead story in issue #485 (Aug.–Sept. 1979) by the League of Assassins.
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