Knight O'Donnell
Checkmate, DC
- Also known as
Appearances
- Checkmate #4 — 1988-07-00
- Checkmate #7 — 1988-10-00
- Checkmate #22 — 1989-11-00
- Checkmate #24 — 1990-01-00
- Checkmate #25 — 1990-02-00
- Checkmate #27 — 1990-05-00
- Checkmate #28 — 1990-06-00
- Checkmate #29 — 1990-07-00
- Checkmate #30 — 1990-08-09
- Checkmate #31 — 1990-10-00
- Checkmate #32 — 1990-12-06
- DC Finest: Peacemaker: Kill for Peace #[nn] — 2025-06-00