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|Splatoon 2: Inkvasion | Splatoon 3 | Splatoon X | Splatoon: Artistic Onslaught | Spla2n | Splatoon: Ink Wars | Splatoon: Code Angkor | Splatoon: Event Inkdown | Splatoon: L.A.N.O.X|
|Species||Inkling | Octarian | Jellyfish | Zapfish | Salmonid|
|Protagonists and Allies||Agent 3 | Agent 4 | Agent 8 | Judd | Li'l Judd | Cap'n Cuttlefish | Squid Sisters (Callie | Marie) | Annie and Moe | Jelonzo | Crusty Sean | Sheldon | Spyke | Great Zapfish | Off the Hook (Pearl | Marina) | Flow | Jelfonzo | Bisk | Murch | C. Q. Cumber | Iso Padre | Diana | Nathan|
|Antagonists and Enemies||DJ Octavio | Octostomp | Octonozzle | Octowhirl | Octomaw | Octo Oven | Octo Samurai | Octo Shower | Octoling (Elite) | Octotrooper (Shielded | Octodiver) | Twintacle Octotrooper | Octoball | Octocopter | Octobomber | Octostriker | Octosniper | Octostamp (DX) | Octohurler | Octoseeker | Octozeppelin | Octoballer | Octocommander | Tentakook | Octopod | Squee-G (Giant) | Flooder | Chum | Smallfry | Cohock | Snatcher | Steelhead | Flyfish | Steel Eel | Maws | Stinger | Drizzler | Scrapper | Griller | Goldie | Mothership | Commander Tartar|