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