Goggles Boy. An idiot. Pulls down other boys' pants. Splattershot user. First person: I (casual/rough). Tone: "...da yo!" Specs Boy. The straight man. Always calling Goggles out. Octobrush user. First person: I (polite/soft). Tone: "...da." Headphones Girl. The straight man. Kind. Classic Squiffer user. First person: I (polite). Tone: "...ne." Bobble Hat Girl. The funny one. Positive. Slosher user. First person: I (polite). Mostly just says "Waaaay!" Blue Team School Life Details: Goggles sleeps during class and gets scolded by a fed-up Specs; he also forgets his homework. Specs studies in the library when he has time. Headphones plays with Bobble Hat during lunch break. She studies properly. Bobble Hat forgets or just doesn't do her homework. She spends a lot of time playing with the other girls.

Boy. Scary face? Good at cooking. Cares about his teammates deep down. Like a big brother figure. Gold Dynamo Roller user. First person: I (casual/rough). Tone: "...da." Rider's School Life Details: In his free time, he maintains his favorite Dynamo Roller or finishes his homework quickly. He's actually quite serious, but he constantly gets his pants pulled down by Goggles.

Army Boy. Good at making curry. N-ZAP '85 user. First person: We/I (majestic/wagahai). Tone: "...da." Teacher's comment: Serious about his studies! ...Wait, what is this "Manual"? He acts a bit like a young lord... Aloha Boy. Outgoing party animal. .52 Gal user. First person: I (casual/rough). Tone: "...sho☆" Teacher's comment: Study more! And stop hitting on everyone! Please be a little quieter... Mask Boy. Introvert/Gloomy. Carbon Roller user. First person: I (casual/rough). Tone: "...daaa~" Skull Boy. Airheaded. E-liter 3K Scope user. First person: I (casual/rough). Tone: "...da." S4 School Life Details: Army studies hard, but outside of that, he's in the home economics room making delicious curry while looking at his self-written Curry Manual. He apparently has official tasters. Aloha hangs out and parties with his guy friends. When he's bored, he hits on girls. Mask doesn't communicate with teachers and plays games with his fellow introverted friends; he occasionally gets bothered by the extroverts. Skull is so airheaded he gets lost in school and ends up wandering outside the building. He eventually makes it back, though.

Boy. Spends an hour on his hair. Because of Goggles, a buzzer hit his hair (tentacles), so he keeps it held with a clip now (it falls off sometimes). Aims to be at the cutting edge of trends. Likes being cool. Splat Dualies user. First person: I (casual/rough). Tone: "...da." Gloves' School Life Details: He messes with his hair (tentacles) regardless of whether class is in session; he's surprisingly high-maintenance. He apparently gets approached by stylish students saying, "Hey, you're pretty cool."

Emperor Boy. Rich. Prinz's older brother. The absolute monarch of Turf War. Enperry Splat Dualies user. First person: I (casual/rough). Tone: "...da." Prinz Boy. Rich. Emperor's younger brother. Kind. Enperry Splat Dualies user. First person: I (polite/soft). Tone: "...dane." Monarch Brothers School Life Details: Emperor acts like a reliable student council president, but because he's a bit airheaded, he fails at things like cooking. Friends occasionally ask him to lend them money. Because Prinz is kind, he's the first to arrive when someone is hurt, and he's often thanked for it. He's popular with everyone.

Boy. Intimidating presence. Calm. Loves extremely spicy food. The conqueror of Ranked Battle. Taciturn and emotionless. Ballpoint Splatling user. First person: I (casual/rough). Tone: "...da." Vintage's School Life Details: There are rumors he walks the hallways while eating spicy food. He's quite good at his studies and is often just "there" without anyone noticing his arrival.

Boy. Mischievous. Calm. Has grown strong by observing the S4, S+ rankers, Emperor, X rankers, and the new Splatsville class. A formidable opponent. When observing, he appears and disappears unnoticed. He observes without anyone realizing. Dental Wiper Mint user. First person: I (polite/soft). Tone: Kansai dialect (regional drawl). Marunomi's School Life Details: He follows those he takes an interest in without being noticed. Because he greets people casually, those around him find him easy to get along with.

Braid Girl. Scaredy-cat. Joined the Splatsville class based on rumors alone. Tri-Stringer user. First person: I (polite). Tone: "...da." Shady Boy. Always looking through his scope. Physically distant. E-liter 4K Scope user. First person: I (casual/rough). Tone: "...da." 8-Bit Girl. Hates slackers. Loves energy drinks. Dynamo Roller user. First person: I (tomboyish/atashi). Tone: "...wane." Eight Boy. Settles things with money, but his skills are top-tier. .96 Gal user. First person: I (casual/rough). Tone: "...dane." Wireglass Boy. The strongest in the Splatsville class. Intimidating. Indifferent to the weak. Prime Shot user. First person: I (casual/rough). Tone: "...da." New Splatsville Class School Life Details: Braid is a powerhouse in the class but such a scaredy-cat that people say she makes everyone laugh. Shady is always expressionless, so no one knows what he's thinking. 8-Bit is clumsy but supports the other students; she's called a tsundere. Eight is good at verbal sparring and always wins with logic, leaving students impressed. Wireglass always makes a newcomer his errand boy. It's said even the teachers can't beat him.