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