Character

Characters in Splatoon are the people of the world. Characters interact with players whilst progressing through the game, and range from selling gear in Inkopolis to fulling the plot in Octo Valley.

 A list of characters can be found in its category page.

Species
Species is the classification of an organism, or character in this case. With the exception of Judd and birds, all characters are sea-creatures or derivatives of.

Inkling



 * Squid Sisters
 * Callie
 * Marie
 * Agent 3
 * Cap'n Cuttlefish
 * Squid Squad
 * Syn.
 * Vo. & Gt.
 * Ba.
 * Unnamed member of the Chirpy Chips

Jellyfish
Jellyfish are also scattered in Inkopolis Plaza and various Stages.
 * Jelonzo
 * DJ Lee Fish (most likely)

Octarian
The Octarians are the main antagonistic species of the story mode in Splatoon. They reside in Octo Valley, and are responsible for stealing Zapfish from Inkopolis. Their main ink colour is Dark fuchsia. The Octarians fought against the Inklings for territory in the Great Turf War and lost. Unlike Inklings, the species includes a great amount of sub-species that act differently from each other.
 * Octotrooper
 * Shielded Octotrooper
 * Twintacle Octotrooper
 * Octocopter
 * Octodiver
 * Octoling
 * Elite Octoling
 * Octostamp
 * Octobomber
 * Octostriker
 * Octosniper
 * Great Octoweapons
 * DJ Octavio

Prawn

 * Crusty Sean

Horseshoe Crab
Some horseshoe crabs are seen lying on the poolside in Mahi-Mahi Resort.
 * Sheldon
 * Ammoses Shellendorf

Sea Anemone

 * Annie
 * Lead singer of the Chirpy Chips

Sea Urchin

 * Spyke
 * Dr. of Squid Squad

Lobster

 * Unnamed member of the Chirpy Chips

Fish

 * All unnamed members of the Hightide Era

Clown Fish

 * Moe

Super Sea Snail

 * Unnamed Super Sea Snails in the player's possession
 * Spyke's Super Sea Snails, also unnamed

Zapfish

 * Several normal-sized Zapfish retrieved in Octo Valley
 * The Great Zapfish

Cat

 * Judd

Other

 * Perhaps Eels too.
 * A handful of animals are seen and/or heard at various locations, including seagulls, sparrows, cicadas, and crickets. Unlike other creatures in Splatoon, many of which have evolved into more human-like forms, these animals seem to have changed very little over time.