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