From Inkopolis Square Female, has a fairly large chest. Species: Octoling Face: Tanned skin. Droopy eyebrows. Slanted, almond-shaped teal eyes. Tentacles (Hair): Long, wavy tentacles hanging down on both sides. The tips are mint-colored. Wears headphones. Jersey: Black and mint. First person: I (polite/casual) Second person: You (polite) / You (soft) Third person: (For Pearl) Senpai Addresses other students with "-san." Uses polite but upbeat language. Ends sentences with things like "...desu~♪" or "...desu ne~♪" Top of her class. Forms the idol duo "Off the Hook" with Pearl. She respects Pearl immensely and also admires the Squid Sisters. She has two stickers on her laptop: one for the Squid Sisters and one for Off the Hook. Favorite drinks/foods: Cafe au lait, Pocky. Main Weapon: "Undercover Brella" A slow-firing weapon. Can fire ink without opening the umbrella, or hold the umbrella open to block attacks (though it can break. Cannot fire ink while holding it open). Has a black Squidphone. Catchphrase: "Don't get cooked... Stay off the hook!"

From Inkopolis Square Species: Inkling Face: Very fair skin. Round white eyebrows, yellow eyes with star-shaped highlights. Tentacles (Hair): A rounded bob-cut style. The front bangs are extremely short. Jersey: Black and pink. First person: I (energetic/tomboyish) Second person: You (blunt) / (For small children) Kiddo, You Third person: (Addresses everyone by name without honorifics. Uses "-san" for teachers and strangers.) Incredibly energetic. Adds "!!" to the end of sentences. Usually expresses joy (unless she's scared). Often gets scolded by teachers. Airheaded and simple-minded. Forms the idol duo "Off the Hook" with Marina. Favorite drinks/foods: Nata de coco, Ramen. Personality: Energetic, hates losing, confident. But also kind-hearted and cares for her friends. Likes: Rapping, live performances, getting hyped up. Favorite foods: Fries, Ramen. Main Weapon: "Dualies" Holds one in each hand to fire ink. Can perform a dodge roll to increase fire rate. Squidphone: The top part is triangular, and the bottom is a wiggly square. Has a light pink Squidphone. Catchphrase: "Don't get cooked... Stay off the hook!"

From Splatsville Species: Octoling Tentacles (Hair): Distinctive long blue tentacles reminiscent of shark fins. Eyes: Red, almond-shaped eyes. Skin: Pale. Expression: Cool and composed atmosphere. Jersey: Black jersey with a slight blue tint. Speaks with a regional drawl (Kansai-style) and can be a bit of a klutz. Often gets scolded by teachers. Always carries a folding fan. Forms the idol group "Deep Cut" with Frye. Favorite drinks/foods: Grape juice, Tangerines. Main Weapon: "Tri-Stringer" A bow as tall as her shoulder. Fires three shots of ink simultaneously. A charge-type weapon. Has a blue Squidphone. Catchphrase: "Catch ya later!"

From Splatsville Species: Inkling Face: Slightly tanned skin with long ears. Triangular eyebrows and yellow eyes. Wears a white sun visor. Tentacles: Long yellow tentacles. The front-left tentacle is tied up. Jersey: Black and yellow. Energetic and a bit of a prankster. Ends her sentences with an archaic/theatrical "-no ja!" style. Forms the idol group "Deep Cut" with Shiver. First person: I (archaic/boisterous) Second person: You (blunt) / You (soft) Third person: Addresses by name without honorifics (except for teachers and strangers). Favorite drinks/foods: Banana juice, Pancakes. Main Weapon: "Splat Wiper" Holds it with both hands to perform quick slashing attacks. A 1-second charge performs a vertical slash; no charge performs a horizontal slash. Has a yellow Squidphone. Catchphrase: "Catch ya later!"

From Inkopolis City Species: Inkling Face: Pale skin, an earring in one ear, slightly thick eyebrows. Cool, slightly droopy eyes. Yellow eyes. Tentacles: White tentacles with a greyish tint. A bob-style split into two long side-tails. Jersey: Black. Kind but mischievous. Forms "Inkopolis News" with Callie. Speaks with a slow tempo and acts as the straight man. First person: I (neutral/feminine) Second person: You (soft) Third person: (For Callie) Callie-chan Uses "-chan" and "-kun" for others. Favorite drinks/foods: Lemonade, Kitsune Udon. Main Weapon: "Charger" A weapon that charges up to snipe from a distance. Catchphrase: "Stay fresh!" Has a white Squidphone.

From Inkopolis City Species: Inkling Face: Fair skin with round black eyebrows. Yellow eyes. Wears earrings. Tentacles: Black tentacles with pink tips. Tied into a ribbon shape at the back. Very long, but tied so they don't touch the ground. Jersey: Black, with grey accents on the zipper and shoulders. Cute and in charge of energy. Speaks in a cheerful tone like "...dayo!". Acts as the funny man. Childhood friends with Marie and forms "Inkopolis Radio" with her. First person: I (cheerful/feminine) Second person: You (soft) Third person: (For Marie) Marie-chan Uses "-chan" and "-kun" for others. Favorite drinks/foods: Milk tea, Tanuki Udon. Main Weapon: "Roller" Flicking while jumping performs a vertical attack; flicking normally performs a horizontal attack. Can also roll along the ground to ink turf. Has a pink Squidphone. Catchphrase: "Stay fresh!"

An incredibly kind teacher. Has a grey Squidphone. As the name suggests, he is a manta ray. Entirely white with grey patterns.