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