Team Blue

Goggles
Goggles is a male inkling, and the main protagonist in the Splatoon (manga) with the topknot hairstyle. He wears the Pilot Goggles, the Armor Jacket Replica, and the Hero Runner Replicas. In the Splatoon 2 era, he wears the Pilot Goggles, the Eggplant Mountain Coat, and the Hero Runner Replicas. He used the Tentatek Splattershot, and in the Splatoon 2 era, he uses the Splattershot. In the octo expansion arc, he wears the Sennyu Goggles, the Sennyu Suit and the Sennyu Inksoles.

Headphones
Headphones is a female inkling in the Splatoon (manga). She has the hippie hairstyle, and wore the Studio Headphones, the B-ball Jersey (Away), and the Red Work Boots. Her weapon was the Classic Squiffer. In the Splatoon 2 era, she wore the Studio Headphones, the Slash King Tank, and the Red Hi-Horses. Her weapon is the Splat charger. In the Octo Expansion arc, she wore the Sennyu Headphones, the Sennyu Suit, and the Punk Blacks. In the battle against the S4, she used the New Squiffer.

Specs
Specs is a male Inkling in the Splatoon (manga) with the topknot hairstyle. He wore the Retro Specs, the Shirt & Tie, and the Plum Casuals. In the Splatoon 2 era, he wears The Retro Specs, the Baby-Jelly Shirt & Tie, and the Smoky Wingtips. His weapon is the Octobrush Nouveau and a few other brushes. In the Octo Expansion arc, he wears the Sennyu Specs, the Sennyu Suit, and the Inky Kid Clams. There, his weapon is the Undercover Brella, as it was given to him by Eight.

Bobble Hat
Bobble Hat is an Inkling in the Splatoon (manga) who has the haircut hairstyle, and wore the Bobble Hat, the Green Zip Hoodie, and the Purple Sea Slugs. In the Splatoon 2 era, she wears the Bobble Hat, the Gray Hoodie, and the Purple Sea Slugs. her weapon is the Slosher. In the octo expansion arc, she wears the Sennyu Bon Bon Beanie, the Sennyu Suit, and the Truffle Canvas Hi-Tops, and her weapon is the Tri-Slosher. Against the S4, she used the Kensa Octobrush.

Goggles
Throughout the manga, Goggles is shown to be quite naïve and often not serious, a trait that is shared with fellow teammate Bobble Hat. In the first volume of the manga, his info in the Inkling Almanac reveals that he is a restless sleeper. In addition to this, he is also shown to engage in practical jokes, mostly pantsing other Inklings (notably Rider) and getting naked in public.

Headphones
Headphones is usually a cool, calm, and collected Inkling. However, she gets irritated by Goggles whenever he does something idiotic. She acts like a big sister to her team despite being around the same age as the rest of them.

Specs
Specs is almost always seen with a serious demeanor at all times. He is shown to be very anxious, which he tries to conceal to the best of his ability. Specs is shown to have a wide array of knowledge regarding Turf Wars and various weapons, but he gets upset when others do not listen to the advice he gives. Like Headphones, Specs is shown to dislike the random shenanigans that Goggles gets himself into, like getting naked in public and pulling down the pants of various Inklings.

Bobble Hat
Bobble Hat is shown as very cheerful and carefree, unlike fellow teammates Specs and Headphones. She is also seen with an almost always permanent smile with her eyes closed regardless of what the situation is that she and her teammates are currently in, except when she was beaten by Skull. Bobble Hat seems to be the only teammate that doesn't mind Goggles' usual shenanigans of pantsing other Inklings.

Trivia

 * Bobble Hat never opens her eyes.
 * For the splatfest, Funny Man vs. Straight Man, Goggles and Bobble Hat were on Team Funny Man, and Specs and Headphones were on Team Straight Man.
 * Emperor joins Team Blue during the Ranked Battle arc because Specs has been attacked by insects, forming Team Blueperor.