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