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