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