Mary had been born to a leader of the cult known as the Resurrection Crusade. One day, Mary ran away and had been on a run from them since. To avoid drawing attention to herself she stopped using her real name and started going by the name "Zed".
Powers and abilities
- Extrasensory perception: Zed has psychic powers which come useful when working with John Constantine.
- Drawing: Zed is a talented sketch artist.
- Multilingual: Zed is capable of fluently speaking English and Spanish. She can also understand sign language, and translated the deaf Freddy's witness statement for Constantine.