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