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