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