Note: Kryb's Yellow Power Ring was created in the Anti-Matter Universe by the Weaponers of Qward and can counter the effects of Green Lantern Rings due to an impurity caused by Parallax.
Yellow Power Ring: Device worn upon the finger to focus fear energy.
The monster known as Kryb murders parents and abducts their infant children, carrying them within a cage upon her back. Instilling great fear in those that told her legend, Kryb was selected by the Sinestro Corps, enabling the spread of her sick form of terror throughout the universe.