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