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