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