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