Amir (Wolverine/Namor character) - by Chadman
Andromeda (Attuma's daughter, Defenders member) - by Chadman
Arath (Sub-Mariner foe) - by Chadman
Argos (Sub-Mariner ally) - by Chadman
Arkus (Namor's cousin) - by MarvellousLuke
Attukar (Atlantean tribal monarch, Attuma's father) - by Chadman
Attuma (Namor foe) - by Chadman
Banara (Sub-Mariner ally) - by Chadman
Big Grokko (Attuma ally)
Bloodtide (Fathom Five member) - by Chadman
Bobo (Namor's cousin) - by Norvo
Brodar (Attuma ally)
Burka (Attuma ally) - by Proto-Man
Cirin (Sub-Mariner ally) - by Chadman
Colonel Dakkor (Andromeda ally)
Corak (Namor foe) - by Chadman
Clones of Dorma (created by Vyrra)
Cnidos (New Atlantean, 1950s)
Coral (Atlantean, Namor character) - by MarvellousLuke
Crab (School member)
Crosta (Namor/X-Men charater) - by MarvellousLuke
Dara (Namor's cousin) - by Chadman
Deathcharge (Namor foe) - by Kyle Smith
Delta Nine (Atlantean clone)
Dragonrider (Fathom Five member) - by Chadman
Earth-71853 (Earth-psychadelic, surfaced Atlantis) - by Proto-Man
Eel (SURF member)
Elanna (post-Cataclysm) - by Spidermay
General Epititus (Attuma foe)
"giant orange monster" (Atlantean refugee) - by Proto-Man
Gorgul (Attuma ally) - by Chadman
Gort (Attuma ally)
Govan (Atlantean ambassador) - by Chadman
Harran (Atlantean emperor) - by MarvellousLuke
Jakka (Proteus victim)
Janus (Wolverine/Namor character) - by Chadman
"Joe" (Civil War: Front Line) - by Chadman
Kalen (grandson of Kamuu)
Kamar (Sub-Mariner foe/son) - by Chadman
Kamuu (King, pre-Cataclysm) - by Prime Eternal
Kamuu (King, post-Cataclysm) - by Spidermay
Karal (Atlantean guard) - by Prime Eternal
Kor-Konn (Attuma ally) - by Chadman
Krakos (Sub-Mariner foe) - by Chadman
Kyral (Atlantean)
Lord Arno (Avengers foe) - by Prime Eternal
Lorvex (Namor foe) - by MarvellousLuke
Mad Twins (Namor foes) - by Chadman
Madoxx (Atlantean, Namor character) - by MarvellousLuke
Mako (Attuma ally)
Mako (First Line foe) - by Norvo
Mako (Young Masters member) - by Grendel Prime
Manowar (Fathom Five member) - by Chadman - possibly
Marqus of Earth-8310
Mephistios (Namor foe)
Minnow (School member)
Morel (Namor character) - by Chadman
Mussels (School member)
Namor
Namora (Aquaria Nautica Neptunia, Namora's cousin, Agents of Atlas member) - by MarvellousLuke
Namorita (Nita Prentiss)
Nara (Atlantean Braddock Academy student, Avengers Arena character) - by Proto-Man
Nautak (Andromeda foe)
Noble, Nia (Half-Atlantean) - by LV
Ocar (Kamuu ally, pre-Cataclysm)
Ogarth (New Atlantean, 1950s) - by John Kaminski
Orka (the Human Killer Whale, Namor foe) - by Chadman
Orrek (Kamuu foe, post-Cataclysm)
Ossem (former King of Atlantis) - by MarvellousLuke
Politus (Amir's husband, Wolverine/Namor character) - by Chadman
Princess Fen
Proteus (Namor foe) - by Chadman
"Queen of the Sub-Sea Realm's" men (Namor foes)
Raman (Namor character) - by MarvellousLuke
Ramin (Namor character)
Remora (Namor character) - by Chadman
Rennar (Kamuu ally, post-Cataclysm)
Ronga (Defenders character) - by Chadman
Ruthar (Namor foe)
Saru-San (Attuma ally) - by Chadman
School (Atlantean criminals)
Seahorse (School member)
Seaweed (School member)
Serestus (Attuma ally)
Shabarr (Kamuu foe, post-Cataclysm)
Shakkoth (Namor character) - by Chadman
Shalak (Namor character)
Shark Rider (Ghost Rider character) - by Loki
Sharkskin (SURF member)
Shem (Atlantean) - by Proto-Man
Squid (School member)
Stegor (Kammu's father, post-Cataclysm)
Sub-Mariner
Sulumor (Invaders ally) - by LV
SURF (Atlantean team) - by Prime Eternal
Talan (Namora's deceased husband)
Tanas (Elanna's husband)
Tareva (Dr. Strange character)
Tarna (Namor foe)
Thakorr
Thakos (Namor character) - by Chadman
Thallo (Atlantean king)
Timoran (Sub-Mariner foe) - by Chadman
Tornaga (Atlantean)
Tyrak (Avengers foe) - by Prime Eternal
Undertow (SURF member)
Vayos (Sub-Mariner foe) - by Chadman
Volpan (Atlantean, Namor character) - by MarvellousLuke
Vyrra (Namor character) - by Chadman
Worta (Attuma ally)
Wurta (Attuma ally)
Xiomara (Andromeda ally)
Zantor (Hulk/Namor foe) - by Chadman
Zapal (Kamuu ally, pre-Cataclysm)
Zarta (Queen, post-Cataclysm) - by Spidermay
Zartra (Queen, pre-Cataclysm) - by Prime Eternal
Zeno (New Atlantean, Ogarth ancestor)
Zoga (Namor foe)
Zoran (Sub-Mariner foe) - by Chadman
Special Thanks to www.g-mart.com for hosting the Appendix, Master List, etc.!