Creator from 
United States
John Clark
- Born as
- Leonard John Clark
- Also known as
- JCl, Bucky O'Neill, Bucky O'Neill
- Script
- 268 stories
- Plot
- 268 stories
- Ink
- 4 stories
- Pencils
- 3 stories
Stories
13 stories| Title | Year | By | As | Kind | Pages | Made in | Printings |
|---|---|---|---|---|---|---|---|
| Untitled cover | 1995 | Bruce Hamilton, Carl Barks | plot, script | 1 | Another Rainbow (Gladstone) | 3 | |
| Untitled cover | 1995 | Bruce Hamilton, Carl Barks | plot, script | 1 | Another Rainbow (Gladstone) | 3 | |
| Untitled cover | 1995 | Bruce Hamilton, Carl Barks | plot, script | 1 | Another Rainbow (Gladstone) | 3 | |
| Untitled cover | 1995 | Bruce Hamilton, Carl Barks | plot, script | 1 | Another Rainbow (Gladstone) | 3 | |
| Untitled illustration | 1995 | Bruce Hamilton, Carl Barks | plot, script | 1 | Another Rainbow (Gladstone) | 3 | |
| Untitled cover | 1995 | Bruce Hamilton, Carl Barks | plot, script | 1 | Another Rainbow (Gladstone) | 3 | |
| Untitled cover | 1995 | Bruce Hamilton, Carl Barks | plot, script | 1 | Another Rainbow (Gladstone) | 3 | |
| Untitled illustration | 1995 | Bruce Hamilton, Carl Barks | plot, script | 1 | Another Rainbow (Gladstone) | 3 | |
| Carl Barks Cover Gallery: 1959-1962 | 1995 | John Clark, (no one) | plot, script | 4 | Non-Disney and/or non-comics | 2 | |
| Untitled cover | 1995 | Bruce Hamilton, Al Taliaferro | plot, script | 1 | Another Rainbow (Gladstone) | 1 | |
| Untitled illustration | 1995 | Bruce Hamilton, Carl Barks | plot, script | 1 | Another Rainbow (Gladstone) | 1 | |
| Reaching 600! | 1995 | John Clark | plot, script | 1 | Non-Disney and/or non-comics | 1 | |
| Gladstone progile:Don Rosa | 1995 | John Clark | plot, script | 1 | Non-Disney and/or non-comics | 1 |