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