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