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