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