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