Harley Quinn was a villain in the "Hush" story arc written by Jeph Loeb and illustrated by Jim Lee, which ran through the Batman monthly #608-619. "Hush" tells the story of a mysterious stalker, head wrapped in bandages that seems intent on sabotaging Batman from afar. Jeph Loeb had previous success with Batman in 1997 with The Long Halloween, and is supervising producer for the TV show Smallville. Penciler Jim Lee was well-known for revamping the X-Men comic book franchise in the late 1980s and being a founding member of Image comics and its imprint Wildstorm in the 1990s.