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