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