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