Kaley Cuoco knows how to keep the spark going for Gotham’s most notorious duo. The Harley Quinn star, 39, has voiced the title character Harley Quinn in Max's DC Comic series for five seasons.

Harley Quinn and Elvira are teaming up for a new comic book series, and it sounds like pure chaos. Despite their wildly different aesthetics, these two icons have a lot in common with their sharp wit, ...