#OnThisDay in 1958 #CalendarMan debuted in @dc.com #DetectiveComics #259 #JulianDay #commitsCrimes in #GothamCity inspired by #The4Seasons drops #The5thSeason clue that #Batman deduces as #MonsoonSeason #noFollowUpDate #forMoreThanTwoDecades @jamesgunn.bsky.social #littleBrother #SuicideSquadMovie