[2] Dolphin was created by Jay Scott Pike; at the time the writer-artist was primarily known for his work on DC's line of romance comics.

[3] Dolphin is a girl who was rescued and experimented on by aliens after falling overboard from a cruise ship, gaining fish-like abilities.

After Aquaman's wife Mera returns from exile in the Netherworld dimension, Dolphin enters a relationship with Tempest, and the two eventually have a son named Cerdian.

[6][7] In Blackest Night, Dolphin, Tula, and Aquaman are resurrected as Black Lanterns and attack Tempest and Mera.

[10][13][14] An alternate universe variant of Dolphin appears in JLA: The Nail as a prisoner of Cadmus Labs.