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