Batman is one of DC's most iconic heroes, and the cape and cowl-wearing vigilante has amassed a number of equally theatrical villains over his long career as a crime-fighter. While flashy criminals such as the Joker, the Penguin, and the Riddler are generally the first to come to mind when it comes to Bat-Villains, a relatively new addition to his Gotham City rogues gallery has proven to be one of his most formidable opponents, which is further shown in DC's latest Black Label series.
Source:https://www.cbr.com/batman-city-of-madness-dark-knight-horrifying-dc/