Batman 1940: And 80 years of Cats, Birds, and Jokes

Creating something that maintains its relevance for 80 years is a remarkable achievement, and this year three enduring characters will reach that milestone. The Joker, Catwoman, and Robin: three characters that have pierced the zeitgeist of the pop culture outside of comics and three characters deeply important to the world of Batman -- but which of these three is the most important? The panel tries to parse through almost 100 years of story to find the answer.