Do you want to compare The Spirit with Harley Quinn? Discover the powers, weakness & weapons of The Spirit and Harley Quinn from The Spirit Biography and Harley Quinn Biography. Find out all about The Spirit and Harley Quinn.# Check out how is The Spirit unique and distinct from Harley Quinn. Discover their love interest, sidekicks, family tree and the movies and games list in which The Spirit and Harley Quinn have appeared. Find out everything about them here!