August Stilza (オーガスト・スティルザ) is the Cleaners' primary artisan, engineer, and gear developer — the person who designs, fabricates, and maintains the tactical equipment and uniforms that allow the organisation's frontline Givers to function in No Man's Land environments. He runs a clothing brand called Collosso. He works out of a high-security personal workshop at Cleaners HQ. He has "I'M WORKING" signs on his door and screams at anyone who ignores them.
He is the older brother of Eishia Stilza and the grandson of Alice Stilza. The document describes Alice as his "aunt/sister" — she is his grandmother. He argues with her regularly and acknowledges that she is a brilliant doctor. He is the loudest member of a family that includes someone who involuntarily shouts everything and someone who apologises for healing lethal wounds too slowly.
His most consequential contribution to the series came before the Doll Festival, when he ordered the Cleaners not to wear their chokers because they clashed with his new uniform designs. This instruction — born entirely from aesthetic conviction — prevented Team Akuta's core members from being affected when Mymo activated the Rule over all choker-wearers. He saved everyone by finding the chokers unfashionable.
🇯🇵 Japanese Voice Actors
Miyano, Mamoru
🇯🇵 Japanese
Loera, Branden
🇯🇵 Japanese
August is a tall, slim young man with long white-blonde hair that hangs freely except where it is cinched by a pair of orange headphones perpetually draped around his neck. He wears thick-rimmed rectangular sunglasses with dark grey frames and red-orange lenses — worn at all times, indoors and out.
His standard outfit: a white t-shirt under a pair of light blue overalls with very large pockets fastened by orange straps. Around his waist, a black belt with a silver buckle supporting several small dark blue pouches with orange accents. He wears large white gloves with orange lining, large white open-toe sandal boots with orange soles, and a bright yellow Cleaners card on an orange lanyard. The orange-and-blue colour scheme is visually coherent and immediately recognisable. He looks like someone who put thought into how he dresses, which is accurate — he is the person who puts thought into how everyone dresses.
August is loud, passionate, easily annoyed by interruptions, and deeply sentimental in ways he would not describe as sentimental. He screams at people. He makes costumes using his most beloved materials for people he thinks will genuinely care about them. Both of these things are August expressing the same value through different modes.
The Sacred Art of Gear
He views uniform design as something more than a practical task — gear should reflect the soul and treasures of the wearer. This is not a philosophy he keeps private. When he heard that Rudo was the kind of person who found value in discarded objects, he began designing Rudo's uniform from that moment, before he was asked. He used his most beloved personal materials for the Doll Festival costume because he knew Rudo would care about it if it became a Vital Instrument. The care he puts into the work is proportional to his assessment of whether the person wearing it will mean it.
The Workshop and the Signs
He has "I'M WORKING" signs on his workshop door. He screams at anyone who ignores them. Enjin ignores them regularly to visit for gear and snacks. August screams at him and gives him the gear and snacks. The relationship is functional. August's boundaries around his workspace are genuine and consistently enforced and also entirely permeable for people he trusts.
The Doll Festival Tradition
He has attended the Doll Festival every year since he was zero years old — a detail the document presents as trivia and which is also a characterisation: a person who makes a living creating things for other people to wear to events went to the same event his entire life because he loves it.
Introduction — The Workshop
August's first appearance established him exactly as described: buried in work, visibly irritated by the interruption, and immediately competent when asked for what he makes. Enjin brought Rudo to get a replacement respirator mask. August provided it. He screamed at the appropriate points. The visit was efficient.
The Uniform Redesign
Leading up to the Doll Festival, August undertook a full redesign of the uniforms for all Cleaner teams — the "Round Two" Cleaner uniform update. He told Enjin: "I'd been considering the design from the moment I heard he wanted to be a Giver!" Rudo's uniform was tailored around his history and relationship with discarded objects. For the Doll Festival costume specifically, August used his most beloved personal materials — knowing that if Rudo genuinely cared about the object, it would accumulate soul and potentially become a Vital Instrument.
The Choker Decision — The Accidental Save
August's most structurally significant contribution to the series: he instructed the Cleaners not to wear their chokers to the Doll Festival because the chokers clashed with his new designs. He was not making a tactical decision. He was making an aesthetic one. When Mymo activated the Rule over every choker-wearer in the South Ward, Team Akuta's core members were unaffected — because August found the chokers unfashionable and had refused to incorporate them into the uniform. His contempt for bad design saved the team's agency at the moment the entire city lost theirs.
The Doll Festival Crisis
During the crisis, August brought injured civilians to Eishia for treatment and encouraged her to trust her abilities. He then ran to find extension cords so she could power The Cord at sufficient scale for the mass casualty operation — eventually locating Wing backstage, where he found all the staff knocked out with their collars removed. He ran to find a cable. He found evidence of Hyo's bomb sweep instead. Both things were useful.
Master Artisan and Engineer
August is a genius-level creator capable of designing, fabricating, and maintaining advanced tactical gear, respirators, full-face masks, weaponry, and uniforms. He develops equipment for conditions that kill ordinary humans — No Man's Lands, polluted zones, high-Anima environments — and ensures the Cleaners are equipped to operate in those conditions long-term. He manages a vast inventory of materials and components, and has spares for everything. He has screamed "Of course I have spares, don't be stupid!!!" about this.
Tactical Tailoring — Soul-Reading Uniform Design
August's most distinctive technical skill is his ability to design gear that is psychologically tuned to the wearer. He incorporates the wearer's personal history, treasures, and values into the uniform's construction — believing that gear reflecting the wearer's soul will perform better because the wearer will care for it more sincerely. For Rudo, this meant a costume built from August's most valued materials, designed around the boy's relationship with discarded objects. The result: a festival costume with sufficient Anima potential to become a Vital Instrument. He understood this was possible. He designed for it deliberately.
The Collosso Brand
Beyond his Cleaners work, August runs a clothing brand called Collosso. The brand's relationship to the Cleaners' standard equipment and to the broader Ground economy has not been fully explored, but its existence confirms that his design practice extends beyond tactical function into something more publicly visible.
Stilza Intellect
As a member of the Stilza family, he possesses the same high-functioning analytical mind that characterises Alice's medical research and Eishia's voltage regulation. His application of it is to engineering, materials science, and tactical design — a different domain, the same underlying quality of focused intelligence.
| Chapter(s) | Type | Details |
|---|---|---|
| 26 | Debut | Workshop introduction; replacement respirator for Rudo. |
| 82, 86 | Appearance | Workshop operations; gear maintenance. |
| 113 | Appearance | "I'M WORKING" signs; uniform redesign begun; screaming at interruptions. |
| 117, 118 | Appearance | Uniform development progress; spares established. |
| 123 | Appearance | Round Two uniform reveal; choker exclusion announced for aesthetic reasons; Rudo's costume designed. |
| 130, 138 | Appearance | Continued gear operations; Festival preparation. |
| 137, 139 | Referenced | Equipment mentioned; workshop discussed. |
| 144 | Appearance | Doll Festival — brings injured civilians to Eishia; encourages her confidence. |
| 159 | Appearance | Runs for extension cords; finds Wing backstage with unconscious staff; collars removed. |
Eishia Stilza — His Younger Sister
August loves Eishia loudly and practically. He tries to build her confidence actively — telling her he will fight anyone who disparages her, encouraging her during the Doll Festival when she began doubting herself under the pressure of mass casualties. She frequently scolds or attempts to restrain his loudest and most eccentric behaviour. They are regularly seen together and clearly care for each other in the specific way of siblings who grew up relying on each other after their parents died. His confidence and her reserve are the family's most visible contrast, and both of them are aware of it.
Alice Stilza — His Grandmother
August grew up with Alice and visits her regularly. He insults her baked goods and still eats them. They bicker consistently and care for each other. He considers her a brilliant doctor. She is the family's intellectual matriarch — the person who established the Stilza legacy in medicine and whose influence shaped both August and Eishia's career directions, even when those directions diverged from medicine into engineering and design.
Enjin — The Tolerated Nuisance
Enjin visits August's workshop for gear and snacks and ignores the "I'M WORKING" signs. August screams at him and provides the gear and snacks. They share deep mutual trust — Enjin relies on August's technical output without question, and August's work is calibrated to the operational demands Enjin communicates. The professional relationship is functional and the personal relationship is expressed through August yelling and Enjin continuing to show up.
Rudo Surebrec — The Wearer Who Understands
August took specific interest in Rudo when he learned that Rudo cherishes things others discard. He began designing Rudo's uniform from that moment, before being asked. For the Doll Festival costume, he used his most beloved personal materials — knowing that if Rudo genuinely cared about an object, it would accumulate soul. The design was a bet on Rudo's sincerity, placed in advance of any direct conversation about it. The bet was accurate.
Otto and Epalte — Brothers
August has at least two brothers — Otto and Epalte — who work alongside the family in various technical capacities. Their specific roles and contributions have not been detailed beyond this reference in the document.
- In the anime adaptation (Studio Bones, 2025), August is voiced in English by Branden Loera — confirmed from the BTVA cast list.
- He runs a clothing brand called Collosso outside of his Cleaners workshop work — confirmed from the Gachiakuta Fandom wiki. The brand's public presence and relationship to his official Cleaners role have not been explored in detail.
- He is the primary reason the Cleaners' core members were immune to Mymo's Rule broadcast during the Doll Festival. He banned chokers from the uniform because they were aesthetically incompatible with his new designs. His contempt for bad coordination saved Team Akuta's agency at the moment the entire city lost theirs. The decision was not tactical. The outcome was.
- He has attended the Doll Festival every single year since he was zero years old. The specific number is mentioned explicitly. He has been going to the festival for his entire life, which is also the event that nearly killed everyone he works with the most recent time he attended.
- Alice Stilza is his grandmother, not his aunt or sister — the document uses both terms inconsistently. The Fandom wiki and in-series scene where Rudo is surprised to learn "Alice is actually the grandmother of August and Eishia" confirms the generational relationship.
- His design principle — that gear should reflect the wearer's soul and treasures — is an application of Gachiakuta's core power mechanic to clothing: sincerity toward objects produces Anima. He builds uniforms for people he believes will care about them, using materials he himself values, because he understands that a Vital Instrument requires the wearer to genuinely mean the object. His workshop is, in this framing, an Anima incubation facility.
- His most beloved personal materials going into Rudo's Doll Festival costume was a calculated design decision — he knew Rudo would care about the object if it was made from something valued, and a cared-for object in Rudo's hands would accumulate soul toward Vital Instrument status. He designed for a specific outcome. The outcome arrived.