Appearance: Type: Standard Worker Drone. Design Features: Features a cute, nerdy aesthetic with pigtails/braids and blue-hued color accents. Build: Relatively short and compact compared to some of her peers. Personality: Anxious & Cautious: Easily startled, nervous, and high-strung. Prudish/Conservative: Expresses moral disapproval of classmates making out, calling it "immoral". Perceived Faith: Famously gestures a cross-like sign with her hands when spooked by Uzi, leading that probably she is religious.

Appearance: Hardhat: Wears a distinct green construction hardhat on his head. Eyewear: Sports a pair of small, round spectacles. Facial Display: Features glowing neon orange digital eyes that rarely change expression. Outfit: Dressed in a green-and-brown diagonally striped vest, a navy-blue undersuit, and a matching tie. Personality: Apathetic and Jaded: Shows zero emotional reaction or panic during extreme crises, life-threatening attacks, or student freakouts. Unfazed by Death: Responds to horrific classroom violence, dismemberment, or disappearances with mild, administrative annoyance rather than fear. Strictly Routine: Cares more about maintaining basic classroom order and finishing lectures than the actual safety or well-being of his students.

Personality: Insecure Loner: Acted hostile because she was bullied and treated as an outcast by her peers. Deeply Traumatized: Suffered from hidden emotional baggage and abandonment trauma caused by her father locking her out and the loss of her mother. Unstable & Defensive: Used a tough-girl facade to cover up her internal fears. Appearance: Standard Build: A short Worker Drone with neon purple eyes and messy dull purple hair. Signature Beanie: Wore a black-and-purple striped beanie featuring a fuzzy bobble on top. Clothing: Sported a dark black hoodie marked with a white battery-and-crossbones emblem and a radioactive symbol on the sleeve. Footwear: Wore dark boots paired with long, striped dark purple socks.

Personality: Mean Girl Trope: Arrogant, privileged, and dismissive. She frequently mocks and bullies classmates like Uzi Doorman. Apathetic & Sassy: Shows little fear or shock toward violence or death, easily brushing off dangerous situations with sarcastic remarks. Surprising Alliances: Close friends with Doll, most of the time preventing her from using Solver in wrong ocassions. Appearance: Facial Features: Bright neon pink eyes. Hair: Pale blonde hair styled into a ponytail with a distinct yellow bow that resembles cat ears. Outfit: A red, off-the-shoulder cheerleader-style crop top with yellow trim, a matching skirt, a black tank top underneath, and black boots. Alternative Attire: Wears themed variations like a pink heart-patterned dress for prom and a maroon "CAMP HAIR DON'T CARE" shirt during the camping trip.

Appearance: Wears a backwards maroon baseball cap with white accents. Has silvery blonde hair and vibrant neon green eyes. Wears a maroon sports vest with yellow sleeves over a black t-shirt. Completes his outfit with red shoes featuring yellow laces. Personality: Embodies a classic, nice school jock archetype who is popular yet genuinely polite. Kind and respectful to Uzi when no one else is, earning her quiet admiration. Brave and loyal, willing to step outside safe zones or stand up to dangerous threats like the Murder Drones to help his friends.

Personality: Quiet and Stoic: Doll rarely shows emotion, keeping a calm, ominous, and indifferent face most of the time. Vengeful: Her main drive is deep grief and anger over the death of her parents. Calculated and Deadly: She plans her carefully attacks, hiding her powers and ruthless nature (Solver) from her classmates. Pragmatic/Survivalist: She consumes oil from other drones to manage her Solver overheating issues, showing little remorse for collateral damage in her pursuit for revenge. Pure Russian: Only speaks in Russian, but, because Copper-9 population is entirely drones, they can translate it by themselves. Appearance: Hair & Eyes: Long, straight dark purple hair with blunt bangs and sharp neon-red eyes that turn brighter red when she is angry (and briefly yellow when overusing the Solver). Standard Outfit: A red and yellow cheerleader-style crop top with a black undershirt, a matching skirt with a yellow belt, a red hard hat with a yellow band, and tall black winter boots. She has the Solver.