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