7th Street Development Artbook

This is a public brainstorm and revision-history archive — not canon. Profile status: published.

Little Sibling

Paired study of a six-year-old at a flat-out sprint scooping a red water balloon off wet pavement without breaking stride, his oversized fuchsia hand-me-down streaming behind him while a kid far down the street shouts after him.

Early exploration — not representative of final direction.

The Little Sibling grabs a balloon without slowing down.

Source
docs/art/prompts/little-brother-studies-v1.md#study-1--he-does-not-stop-to-take-it
Rights state
generated-with-terms-reviewed
Tool
GPT-5.6 built-in image generation (tool reported by Anthony)
Model
not exposed by built-in tool

developing current version v0.5

A fast, fragile thief who steals and carries battlefield objects but cannot hold ground.

Archetype

A fast, fragile thief who steals and carries battlefield objects but cannot hold ground.

Personality

The Little Sibling is six, quick, curious, and completely focused on whatever he has just found. Nobody gave him a job, so he made one out of taking things. He does not understand that the wagon pin, loose balloon, or missing sneaker belongs inside somebody else's plan.

He is an absolute little stinker without being a strategist. Bigger kids yell at him, protect him, and pull him out of danger in the same breath. He may ask whose sneaker he is holding while everyone else is still arguing about the balloon he dropped.

Motivation

Winning means getting the interesting object and carrying it somewhere new. He wants to be included and busy. Team objectives matter only when they happen to point toward the thing he already wants.

How they fight

He runs through the middle of a fight, picks up loose objects, and carries or throws them. He can steal a wagon balloon, kink the Hose Kid's hose, remove a catapult pin, or return something that was left on the pavement. He is strongest when a battlefield has important objects and both sides are too busy to watch him.

He is small, weak, and easy to call in with one clean attack. He cannot hold a line or win a direct fight. He may carry the wrong object to the wrong place, and no captain should mistake his activity for obedience.

Field data

  • Age: 6.
  • Height / build: approximately 1.15 m (3 ft 9 in); small build.
  • Weight: approximately 21 kg (46 lb).
  • Speed: very quick (target); exact value unset.
  • Stamina / soak: called in at full soak and easy to soak (target); exact capacity and slowdown unset.
  • Strengths: speed, stealing objects, disrupting equipment.
  • Weaknesses: fragile, weak in a direct fight, ignores plans and cannot hold ground.

From the studio

This revision uses casting sheet row 12 for age, identity, personality, size, and role, with charter §8 for pickup, carry, and throw possibilities. The public name remains Little Sibling. None of these mechanics exists in the sim, so every combat value is labeled as a target. Earlier published revisions remain unchanged in the timeline.

Can a captain benefit from what he steals without expecting him to follow a plan?

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Evolution timeline

  1. v0.1 — A pickup-carry-throw utility kid explicitly called out as scaffolding rather than a conventional roster slot. seed
  2. v0.2 — Little Sibling is the gender-neutral public name for the same pickup, carry, throw, steal, catch, and return utility concept. developing
  3. v0.3 — The pickup-carry-throw utility concept becomes a specific six-year-old whose speed, borrowed silhouette, and total ignorance of the plan make him the most hated and most protected kid on 7th Street at once. developing
  4. v0.4 — A fast, fragile thief who steals and carries battlefield objects but cannot hold ground. developing
  5. v0.5 — A fast, fragile thief who steals and carries battlefield objects but cannot hold ground. developing

Artifact shelf

The lead plate is above. Every study opens at full size.

Paired study of a small six-year-old seen from behind, running down the middle of a wet suburban street with a white sand pail, a jump rope and one sneaker held straight above his head, past four stationary kids.

Early exploration — not representative of final direction.

He runs with a pail, jump rope, and sneaker held over his head.

Source
docs/art/prompts/little-brother-studies-v1.md#study-2--the-overhead-carry
Rights state
generated-with-terms-reviewed
Tool
GPT-5.6 built-in image generation (tool reported by Anthony)
Model
not exposed by built-in tool
Paired study of a tall fifteen-year-old in a gray sweatshirt gripping the back of a six-year-old's oversized fuchsia shirt and shouting at him as she pulls him a step clear of a balloon arc and a water stream crossing the pavement in front of him, while he looks up at a sneaker in his hand.

Early exploration — not representative of final direction.

A bigger kid pulls him out of a throw's path by the back of his shirt.

Source
docs/art/prompts/little-brother-studies-v1.md#study-3--by-the-back-of-the-shirt
Rights state
generated-with-terms-reviewed
Tool
GPT-5.6 built-in image generation (tool reported by Anthony)
Model
not exposed by built-in tool
Paired study of a six-year-old sprinting through the near edge of an iridescent bubble cloud with his arms overhead, his line passing well clear of the dry four-year-old standing deeper inside it, who is watching a butterfly and never notices him.

Early exploration — not representative of final direction.

He runs through the edge of the Toddler's bubble cloud without going near her.

Source
docs/art/prompts/little-brother-studies-v1.md#study-4--through-the-middle-of-it
Rights state
generated-with-terms-reviewed
Tool
GPT-5.6 built-in image generation (tool reported by Anthony)
Model
not exposed by built-in tool
Paired full-body roster study of a six-year-old alone on a wet suburban street at golden hour, cutting into a new direction with a red water balloon in each hand, one line of his own footprints behind him passing a stranger's sneaker left lying in a puddle.

Early exploration — not representative of final direction.

He changes direction with a water balloon in each hand beside a sneaker in a puddle.

Source
docs/art/prompts/little-brother-studies-v1.md#study-5--nothing-on-this-street-is-spoken-for
Rights state
generated-with-terms-reviewed
Tool
GPT-5.6 built-in image generation (tool reported by Anthony)
Model
not exposed by built-in tool
Front, three-quarter, side and back views of the Little Sibling in chunky low-poly toy-soldier proportions on a plain grey background, for the 3D character build.

Early exploration — not representative of final direction.

Little Sibling — turnaround reference sheet (front, three-quarter, side, back).

Source
docs/art/prompts/refsheets/little-brother-prompt-turnaround-v1.md
Rights state
generated-with-terms-reviewed
Tool
OpenAI built-in image generation (driven from Codex CLI by the co-lead session)
Model
not exposed by built-in tool
The Little Sibling drawn in a row of animation beats (idle, movement, the archetype's own actions, flinch, out, the walk home — or, for the Toddler, only her safe bubble beats) in the same low-poly toy-soldier style.

Early exploration — not representative of final direction.

Little Sibling — pose strip: the animation beats, for the 3D build.

Source
docs/art/prompts/refsheets/little-brother-prompt-poses-v1.md
Rights state
generated-with-terms-reviewed
Tool
OpenAI built-in image generation (driven from Codex CLI by the co-lead session)
Model
not exposed by built-in tool
The Little Sibling's clothing and equipment laid out separately like a toy's parts, with the same kid shown small in both team colours (blue and red).

Early exploration — not representative of final direction.

Little Sibling — outfit and prop breakdown with both team colours.

Source
docs/art/prompts/refsheets/little-brother-prompt-breakdown-v1.md
Rights state
generated-with-terms-reviewed
Tool
OpenAI built-in image generation (driven from Codex CLI by the co-lead session)
Model
not exposed by built-in tool