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