Leaf is an gray she-cat with pale green eyes.
Leaf was born to two unknown parents. She has a sister named Isis. She and her sister were raised by Ferntail, a former medicine cat of WindClan. She taught her how to heal cats useing herbs. Many cats come to her to help with wounds and kitting. She helped Milkweed give birth to Shark and Mink.
- Leaf's age was changed from old when she was first introduced in the RP, to young when Isis came along.