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