Gotham City Sirens is an American comic book series that was written by Paul Dini with art by Guillem March and published by DC Comics. The term Gotham City Sirens refers to three of the most popular female villains inhabiting Gotham City: Catwoman, Harley Quinn, and Poison Ivy.The first issue of the series was released in June 2009, as a part of the Batman: Reborn relaunch of DC's entire line of comic book titles featuring the superhero Batman. Source: Wikipedia (en)