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