Historical clue formulations

• DC good guy — 2026-05-06
• Role for George Clooney, Michael Keaton and Christian Bale — 2021-03-16
• 1960s TV icon whose name follows a pair of letters found, appropriately, 16 times in this puzzle's Across answers — 2016-11-16
• Gotham City V.I.P. — 2014-06-10
• Superhero ally of Commissioner Gordon — 2014-04-30
• For whom Alfred Pennyworth is a butler — 2014-01-16
• Repeated role for Christian Bale — 2013-06-11
• Comics debut of 1939 — 2012-07-30
• Who said "The joke's on you, Riddler!" — 2011-11-21
• Penguin's nemesis — 2011-11-16
• Half of the Dynamic Duo — 2010-12-27
• Dynamic Duo member — 2010-07-20
• With 51-Across, roles for 17-, 38- and 62-Across — 2009-08-17
• Cape wearer — 2005-02-13
• Michael Keaton title role, 1989 — 2003-09-22
• Gotham City do-gooder — 1998-08-02
• Robin's mentor — 1996-09-17
• Masked savior — 1996-01-26
• Top film of 1989 — 1994-12-28