William Clockwell
from Invincible
- Also known as
Best friend of Mark Grayson (Invincible).
Appearances
- Invincible #1 — 2003-01-22
- Invincible #7 — 2006-00-00
- Invincible #30 — 2006-04-10
- Invincible #37 — 2006-11-00
- Invincible #42 — 2007-06-00
- Invincible #43 — 2007-06-00
- Invincible #44 — 2007-07-00
- Invincible #47 — 2007-12-00