X-Kryptonite
An artificial Kryptonite that bestows Kryptonian powers to those affected
Name:
X-Kryptonite
Aliases:
Start year:
1960
First issue:
In the attempt of creating an antidote to Kryptonite poisoning, Supergirl accidentally created a variant, X-Kryptonite, that bestows Earthlings with Kryptonian powers when affected. Streaky and Ellie Leeds both gained superpowers from exposure to X-Kryptonite.
