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