Fish
This character creates the Memverse that leads to the events of Side Order
Marina
"The _ is the classic entry-level Turf War weapon! It's a great companion for learning the basics of battle ... _ are super effective at smoking out hidden opponents and clearing your path! And the _ special is great for support..."
Splattershot Jr. (Splatoon 2)
The albums for the base games of Splatoon, Splatoon 2, and Splatoon 3 are called this
Splatune
Inklings and other sea creatures evolved to live on land after this happened
Humans going extinct
The Inkling uses this weapon in their Up Smash in Super Smash Bros. Ultimate
Blaster
Bonus 200: This is the fighter number for Inkling in the Smash series.
This agent of the New Squidbeak Splatoon only appears in 1 game
Agent 4
"The _ is a lighter version of the _ ... Like most lightweight weapons, it doesn't pack the biggest punch or range—no exploding charged shots here—but it does offer the ability to store a charge! ... You can make it rain _ on opponents out of range of the _ ."
REEF-LUX 450 (Splatoon 3)
This in game band creates the music that plays during Salmon Run
ω-3
Known as "That Heavenly Melody" this song cured Octarians from Octavio's brainwashing in first Splatoon game
Calamari Inkantation
This anime / manga had a collab bringing a new gearset to the first Splatoon game
Squid Girl
In the first game, this character sold the player shoes, while in the second he sold sandwiches.
Crusty Sean
"The _ is a _ designed to really pressure your opponents' turf with a barrage of ink! However, a long charge time and large ink consumption make it a liability in close quarters! The _ sub weapon can be used to repel any opponents who get too close. The _ allows you to advance forward without fear of being flanked!"
Hydra Splatling (Splatoon 1)
The band, SashiMori, samples this in their songs
Human Voices
During the Great Turf War, Inklings are seen only using this weapon in the Sunken Scrolls
Bamboozler MKI
This Japanese magazine featured Splatoon and eventually received a weapon kit in game
CoroCoro
Smollusk describes this character as "a chaotic mess" but it's fascinated by her "yellow cweatures" she summons with a flute
Fyre
"The main weapons of the _ set are the same _ you know and love... with a bit of artistic flourish. Slow foes with the _ sub before dodge-rolling into range and splatting it up! The _ special is handy for turning the tide of battle in your favor. Use it to sow chaos, and then reap the rewards!"
Dapple Dualies (Nouveau) (Splatoon 2)
Ink theory was inspired by this other piano-rock band from Inkopolis. They even imitated their outfits for the album cover.
Hightide Era
Mr. Grizz was sent to space on this spaceship
Ark Polaris
Cece, Inkwell, and Viché are Splatoon inspired characters that appear in this series
Animal Crossing
Previously a member of Ink Theory, she went on to lead her own Ska band
Yoko
"Now the _ is a shooter I made with a little help from my grandpappy's blueprints. Its range and accuracy are nothing to sneeze at, but the real draw is its amazing rate of fire! The _ and the _ are so easy to use, you're sure to have a blast! Thanks, Grandpappy!"
Aerospray (Splatoon 1)
Squid Squad created Splattack but split up between the events of the first and second Splatoon games, becoming these two groups.
Diss-Pair and Front Roe
During Splatfests on this stage, players can hear the chorus of Calamari County implying it's near where Callie and Marie were from
Skipper Pavilion
The Inkling Squid amiibo can only be seen in their humanoid form in this game
Super Mario Maker