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