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