| LEON, JOHN |
| | Name and vital stats |
| | | LEON, JOHN PAUL (artist) | NULL |
| | DARK HORSE COMICS |
| | | DARK HORSE COMICS~ (pen/) 1992 | > 92 |
| | | GRENDEL (pen/) 1998 | > 98 |
| | | ROBOCOP (pen/) 1992-93 | > 92 93 |
| | DC COMICS |
| | | BATMAN (pen/) 1995 | > 95 |
| | | BATMAN: DARK KNIGHT GALLERY~ [illustration] (pen/ink/) 1996 | > 96 |
| | | CHALLENGERS OF THE UNKNOWN (pen/) 1997-98 | > 97 98 |
| | | CHALLENGERS OF THE UNKNOWN AND FATE (pen/ink/) 1996 | > 96 |
| | | Covers (pen/ink/) 1994-98 | > 94 95 96 97 98 |
| | | CREEPER, THE (pen/ink/) 1998 | > 98 |
| | | GEMINI BLOOD~ (ink/) 1996 | > 96 |
| | | Illustration (pen/ink/) 1996-97 | > 96 97 |
| | | SHADOW CABINET (pen/some ink/) 1994-95 | > 94 95 |
| | | SUPERMAN (pen/) 1995 | > 95 |
| | | WORLDS COLLIDE~ [DC and MILESTONE heroes] (pen/) 1994 | > 94 |
| | MARVEL COMICS |
| | | ALF (ink/) 1991 | > 91 |
| | | LOGAN: PATH OF THE WARLORD (pen/) 1996 | > 96 |
| | | TIME SLIP (pen/) 1996 | > 96 |
| | | X-51 (pen/) 1999 | > 99 |
| | | X-MEN (pen/) 1995 | > 95 |
| | MILESTONE PRESS |
| | | ICON (pen/ink/) 1994 | > 94 |
| | | STATIC (pen/) 1993-94 | > 93 94 |