Metallo is a character created by Robert Bernstein and Al Plastino. He is a cyborg with a kryptonite heart dedicated to killing Superman. Thankfully, Superman always manages to stop him. He has super-strength and invulnerability.
Metallo is a character created by Robert Bernstein and Al Plastino. He is a cyborg with a kryptonite heart dedicated to killing Superman. Thankfully, Superman always manages to stop him. He has super-strength and invulnerability.