Cliff Cornwall
- Also known as
Undercover federal agent.
Appearances
- Flash Comics #1 — 1940-01-00
- Flash Comics #2 — 1940-02-00
- Flash Comics #3 — 1940-03-00
- All Star Comics [ashcan] #1 — 1940-04-00
- Flash Comics #4 — 1940-04-00
- Flash Comics #5 — 1940-05-00
- Flash Comics #6 — 1940-06-00
- Flash Comics #7 — 1940-07-00
- Flash Comics #8 — 1940-08-00
- Flash Comics #9 — 1940-09-00
- Flash Comics #10 — 1940-10-00
- Flash Comics #11 — 1940-11-00
- Flash Comics #12 — 1940-12-00
- Flash Comics #13 — 1941-01-00
- All-Flash Quarterly [ashcan] #1 — 1941-07-00
- DC Comics: The Golden Age (1938-1956) #[nn] — 2023-09-01