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