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