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