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