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