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