KryptoniteBack to Objects Main > Kryptonite
Real Identity: Not Applicable
Appearances: Two Parter: Part One
Voiced By: Not Applicable
Kryptonite are remains of the planet Krypton where Superman was originally from. However, on Earth, they have special properties that can adversely affect Superman. Green Kryptonite can weaken and even kill Superman. Blue, green, and red Kryptonite are on display in the Hall of Justice.