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