What’s inside

One SKILL.md (the playbook) + one starter template. A preview:

Marker-Doodle Brand Studio

When to use

• You are branding a startup, creator business, café, kids' product, or community project and want a warm hand-drawn identity instead of a cold corporate logo
• A brand already uses doodles informally — in slides, packaging, social posts — but they look different every time and you need one consistent system
• You need a full mini brand kit (logo, doodle set, colors, type, do/don't rules) that a non-designer teammate can apply without breaking the style
• Packaging, menus, posters, or social templates need a playful hand-drawn layer that still looks professional at print and at thumbnail size
• An existing doodle-style logo is hard to read, reproduces badly in one color, or falls apart when scaled down to a favicon or receipt

Workflow

1. Define the personality (input: business + audience + three adjectives → output: style brief)
   Pick three adjectives the brand must feel — e.g. "warm, cheeky, honest" for a neighborhood bakery, or "curious, calm, clever" for a kids' science kit. Every later choice is tested against these three words: a doodle that isn't warm, cheeky, or honest doesn't make the cut. Also name the anti-adjectives — what the brand is not ("not slick, not cute-cutesy, not childish") — because a doodle style drifts toward generic cuteness without a guardrail.
2. Draw the logo (input: style brief + brand name → output: primary logo + simplified mark)
   Design a wordmark in a hand-lettered style — slightly imperfect letterforms, consistent stroke weight, one deliberate quirk (a looped letter, an underlined word, a dot replaced by a doodle). Then build the simplified mark: the same quirk reduced to a single doodle or initial that works at 16 pixels and in one color. If the logo only works in full color at large size, it isn't finished — it needs the simplified version.
3. Build the doodle library (input: style brief + brand world → output: 12–20 doodles with rules)
   Draw 12–20 doodles from the brand's own world: its products, tools, places, and rituals — a whisk and a loaf for the bakery, a magnifying glass and a sprout for the science kit. Rules: one stroke weight family, one level of detail (no photorealistic doodles next to stick figures), every doodle fits in the same bounding box proportions, and each doodle works in ink-only black. Organize them by use: heroes (2–3, for covers and packaging), supporters (for corners and dividers), and accents (tiny stars, arrows, underlines for text).

Template preview

Marker-Doodle Brand Studio — Brand Kit Template

Fill in top to bottom. The doodles look loose; the rules are strict — that is what keeps the brand consistent.

Style brief

Business: {name} — {what it does} Audience: {who it is for} Three adjectives: {1} · {2} · {3} Anti-adjectives (what the brand is NOT): {not …} · {not …} · {not …}

Logo

Wordmark: {hand-lettered description — letterforms, stroke weight} The one deliberate quirk: {e.g. the "o" is a doodled sun} Simplified mark: {single doodle or initial — works at 16px, one color} Minimum size: {px} · Clear space: {height of one doodle, all sides}

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