![image](https://comicvine.gamespot.com/a/uploads/square_tiny/11122/111222211/6373148-blank.png)
John Clark
Also known as Leonard Clark. Editor and letterer for Gemstone.
Name:
John Clark
Aliases:
- Leonard Clark
Birth date:
Unknown
Home town:
Unknown
Country:
United States of America
![cover](https://comicvine.gamespot.com/a/uploads/original/11122/111222211/6373148-blank.png)
No description