Conversation so far:
What did Catwoman do with Dc universe?
Catwoman is a fictional character created by Bill Finger and Bob Kane who appears in American comic books published by DC Comics, commonly in association with superhero Batman.
What was Catwoman's prominent role?
Although Catwoman does not wear her iconic cat-suit, the story establishes her core personality as a femme fatale who both antagonizes and attracts Batman.

Question: What was the significance?
Self-contained rewrite: What was the significance of Catwoman?