Orm Marius - "Black Sheep" of the Curry family, the Ocean master is Aquaman's half-brother. A thief, he ultimately gain the power to breathe underwater and dabbled in the arts of black magic.
Orm Marius - "Black Sheep" of the Curry family, the Ocean master is Aquaman's half-brother. A thief, he ultimately gain the power to breathe underwater and dabbled in the arts of black magic.
| Issue | Comment | Reprinted in |
| Aquaman #29 | 1st appearance, vs. Aquaman | Best of DC Digest #10 |
| Aquaman #35 | vs. Aquaman, in competition with Black Manta | DC Super-Stars #7 |
| Brave and the Bold #82 | vs. Aquaman and Batman, revealed as Aquaman's half-brother | Best of Brave and the Bold #3 |
| Aquaman #52 | vs. Aquaman | Adventure Comics #503 |
| Teen Titans #29-30 | vs. the Teen Titans | |
| Action #443 | under the Queen Bee, vs. Justice League of America | |
| Aquaman #62-63 | vs. Aquaman | |
| DC Comics Presents #5 | vs. Aquaman and Superman | |
| Action Comics #520 | vs. Aquaman | |
| Crisis on Infinite Earths #5 | Crisis HB/TPB |