Brian O'Brien
The Clock
- Also known as
Appearances
- Funny Pages #11 — 1937-06-00
- Feature Funnies #7 — 1938-04-00
- Crack Comics #1 — 1940-05-00
- Crack Comics #12 — 1941-04-00
- Crack Comics #13 — 1941-06-00
- Crack Comics #15 — 1941-08-00
- Crack Comics #16 — 1941-09-00
- Crack Comics #21 — 1942-02-00
- Crack Comics #28 — 1943-03-00
- Savage Dragon #141 — 2008-11-00
- Crack Comics #63 — 2011-10-00
- Masks #5 — 2013-04-00
- Gwandanaland Comics #737 — 2017-03-26
- Gwandanaland Comics #419 — 2020-05-28
- Savage Dragon #263 — 2023-02-01