| Biography |
| DUFFY, JOHN |
| |
Name and vital stats |
| |
|
DUFFY, JOHN (letterer; production) |
NULL |
| |
Pen names |
| |
|
MAC DUFFY; also spelled JOHN DUFFI |
NULL |
| |
Additional biography |
| |
|
Amazing Heroes #141, 1988 |
NULL |
| |
MARVEL COMICS |
| |
|
Support (prod/let) 1963-68 |
> 63 64 65 66 67 68 |
| |
SEABOARD COMICS |
| |
|
Support (let) 1975 |
> 75 |
