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