At the bidding of their master, Darkseid, the Deep Six exist for the sole purposes of combat and terrorism in his name. All six fish-like members possess superhuman strength as well as the ability to breathe and function underwater. Orion kills all of the Deep Six during a battle on Earth. A member named Slig returns only to be killed by Orion again. The team returns to face Aquaman and his allies Koryak and Dolphin, and it is revealed that the team has been resurrected several times over the years, whenever Darkseid has use for them. The new members are actually "spawns" of the originals, raised in birthing chambers. As the spawns were raised on Earth, they are more attuned to its ocean environments.
All members of the Deep Six are believed to have slain one of Aquaman's past loves, Kako, the mother of his child, Koryak. In the ensuing battle, all six are seemingly slain themselves. This revived version of Deep Six later faces the Supermen of America.
They were later joined the Secret Society headed by Alexander Luthor.
Equipment: None known.
Transportation: None known.
Weapons: None known.
- Although Deep Six was originally introduced during DC's Earth-One era of publication, their existence following the events of the 1985-86 limited series Crisis on Infinite Earths remains intact. However, some elements of the character's Pre-Crisis history may have been altered or removed for Post-Crisis New Earth continuity, and should be considered apocryphal. Some of the non-Jack Kirby stories relating to the "Fourth World" mythos have been allocated to the Pre-52 reality known as Earth-Seventeen.
- No trivia.