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