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