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