On his fifteenth birthday, Zack developed a deformity on his right arm. The deformity grew until ultimately transforming him into a werewolf. Zack ran away from home and eventually found acceptance in the arms of a disfigured young woman named Sage Perkins.
- Lycanthropy: As a werewolf, Zack is many times larger than that of the average human and possesses characteristics akin to a canine.
- Scratch is not to be confused with the demon Scratch, a member of the Diablos mafia gang.
- 5 Appearances of Scratch (New Earth)
- 6 Images featuring Scratch (New Earth)
- 1 Quotations by or about Scratch (New Earth)
- Character Gallery: Scratch (New Earth)