Published：2026-08-14
Keywords：Nano Banana Pro, Nano Banana, Nano Banana official website, brand mascot, IP character, nanobanana prompts
New consumer brands, local stores, and indie apps often get stuck without a unified mascot: outsourcing a sheet is expensive and revising one expression can take days; generating random AI images makes every face different — packaging, social stickers, and splash screens never look like one IP. Users cannot remember the character, so brand recognition falls back to forcing the logo everywhere.
Among the capabilities on the Nano Banana official website, Nano Banana is ideal for quickly testing silhouette direction and personality, while Nano Banana Pro is better at locking face proportions, palette, and signature accessories, so sheets, stickers, and lifestyle scenes feel like “one IP system.” I use this workflow for small and mid-size brands to ship “commercially usable” mascot kits — from uploading a sketch/brief to exporting 3–6 assets, usually in 15–25 minutes.
This is a brand-new brand mascot & IP character kit deep-dive (different from past ebook covers, pet portraits, comic storyboards, character three-views, or OOTD concept breakdowns). Full prep checklist, four-step workflow, three prompt templates, identity-lock tips, three case breakdowns, and a pitfalls table.
1. Why use Nano Banana / Nano Banana Pro for brand mascots?
Nano Banana standard is ideal for “try 5 silhouette personalities first”; when you need no face swap across assets, stable colors, and sticker/packaging readiness, switch to Nano Banana Pro:
| Capability | Scattered freelancers / random gens | Nano Banana / Nano Banana Pro |
|---|---|---|
| Character consistency | Face and palette drift every frame | Natural language lock “same IP identity 100%” |
| Asset reuse | One standing pose is hard to extend | Sheet → stickers → lifestyle scenes in one chain |
| Style unity | Line art and color painted separately | Fixed flat / soft / cel style anchors |
| Multi-spec export | Manual cutouts warp the figure | 1:1 stickers / 3:4 sheet / 16:9 banner |
| Revision speed | Wait for artist availability | “Softer smile, smaller accessory” conversational iterate |
The core difference: in the workflow on the Nano Banana official website, a mascot is not “one cute drawing” — it is a reusable brand IP visual library.
2. Asset prep checklist (what decides whether it “looks like this IP”)
Before opening Nano Banana or Nano Banana Pro, prepare:
- Character anchors (required): Species/humanoid brief, 1–2 main colors, signature accessory (hat/scarf/badge)
- Personality keywords (required): Friendly, professional, playful — pick one primary personality
- Style direction (required): Flat brand illustration, soft 3D, cel-shaded anime, minimal line — pick only one
- Use cases: Design sheet, emoji stickers, packaging decals, App splash / social banner
- Platform specs: Stickers often 1:1; sheets 3:4; landscape scenes 16:9
- Negative constraints: No face swap; no main-color drift; no garbled logos; no watermark; do not copy famous IPs
Tip: Learn the difference between Nano Banana and Nano Banana Pro on the Nano Banana official website, then upload a sketch or written brief in the web app. Clearer anchors mean stabler cross-asset consistency.
3. Four-step workflow (brief → shippable kit)
Step 1: Enter Nano Banana Pro and lock IP identity
- Open Nano Banana web app
- Use Nano Banana to explore silhouettes; prioritize Nano Banana Pro for kit finals
- Write clearly:
preserve the exact mascot identity, face proportions, main colors and signature accessory 100%
Step 2: Choose a mascot template
Three complete prompts below:
- Template A: Brand design sheet (3:4, hero pose + expression busts)
- Template B: Emoji sticker set (1:1, white seamless background)
- Template C: Lifestyle campaign banner (16:9, holding product / welcome pose)
Step 3: Five checks before delivery
- Are multiple assets still the same character (face, main colors, accessory unchanged)?
- Is the face still readable at small sticker size?
- Do line weight and shading feel like one design system?
- Was brand text or a fake logo accidentally baked in?
- Any watermark, garbled text, extra fingers, or malformed limbs?
Step 4: Natural-language iteration + export by channel
Common instructions:
- “Keep the character unchanged; only switch the expression to a wink-smile”
- “Shift main color slightly toward brand orange; shrink the accessory”
- “Change background to pure white for stickers”
- “Export 1:1, 4K, Nano Banana Pro”
4. Prompt Template A: Brand design sheet
Replace 【】 placeholders with your content, then paste the full block into Nano Banana Pro:
Brand mascot character design sheet, 3:4 portrait.
Identity lock: preserve the EXACT mascot from the uploaded reference or brief — face proportions, main color palette 【品牌橙+米白】, and signature accessory 【小围巾/徽章/帽子】 100%. Same IP everywhere.
Layout: large full-body or 3/4 hero on the LEFT; on the RIGHT three small expression busts (neutral / smile / wink).
Style: clean 【扁平品牌插画 / 软萌3D / 赛璐璐】, studio-soft background, Nano Banana Pro character consistency.
Negative constraints: no face drift across busts, no palette drift, no watermark, no baked-in brand wordmarks, no copying famous IPs.
Output: 3:4, 4K, Nano Banana Pro mascot sheet.
Usage
- Upload a sketch or write clear anchors
- Fill main colors and signature accessory
- Shrink on phone — is the face still unified?
- Iterate: “friendlier expression” / “simpler accessory”
5. Prompt Template B: Emoji sticker set
Brand mascot emoji sticker set, square 1:1, white seamless background.
Identity: keep the same mascot as reference 100% (Nano Banana Pro recommended for face lock).
Expressions: four clear emotions arranged cleanly — 【开心 / 加油 / 思考 / 比心】; each face large enough for chat sticker size.
Look: crisp sticker-ready edges, soft shading, brand-friendly cuteness for 【微信表情 / LINE / App内贴图】.
Negative constraints: no busy background, no text balloons unless empty shapes, no watermark, no identity drift between stickers.
Output: 1:1, high resolution, Nano Banana or Nano Banana Pro sticker sheet.
For stickers, “face large enough, emotion clear enough” matters more than “complex scene storytelling”; chat windows cannot carry detail clutter.
6. Prompt Template C: Lifestyle campaign banner
Brand mascot lifestyle campaign banner, 16:9.
Hero mascot: preserve identity from reference 100%; place character on the LEFT or RIGHT third holding / presenting 【产品盒 / 菜单板 / 欢迎手势】; leave clean negative space on the opposite side for future slogan.
Environment: 【咖啡店柜台虚化 / 极简品牌色背景 / 节日气氛轻装饰】 matching brand mood 【友好 / 专业 / 搞怪】.
Style: Campaign-ready IP visual, Nano Banana Pro consistency with sheet and stickers, soft commercial light.
Negative constraints: no unreadable tiny text baked in, no watermark, no different character, no overcrowded props.
Output: 16:9, 4K, Nano Banana Pro.
Landscape banners and sheets share the same IP identity library — splash screens and packaging will feel like “one brand character.”
7. Identity lock & kit tips (mascot-specific)
In Nano Banana / Nano Banana Pro prompts, lock these rules:
- Open with IP lock:
preserve exact mascot identity 100% - Change one class per round: Do not heavily alter expression + pose + background together
- Hard-code main colors: Put brand HEX or color names into the lock sentence
- Series anchors: Fix one render style across the whole kit
- Sticker silhouette first: On 1:1, let the head occupy 50%+ of the frame
- Reject face swap: Write
same face across assets, no identity drift
Append these as “Mascot rules: …” at the end of your prompt — IP kits stay much more stable.
8. Three real case breakdowns
Case 1: New F&B brand — mascot from zero
- Goal: Only store name and main color; no character yet
- Flow: Template A for sheet → Template B for four expressions
- Result: Nano Banana Pro produced a social-ready base kit in one pass
Case 2: App splash and stickers looked like different characters
- Goal: Banner face drifted
- Flow: Same reference through Templates C + B; strengthen preserve face/colors/accessory
- Result: Splash and chat stickers read as the same IP
Case 3: Packaging decal palette drifted from the sheet
- Goal: Print proof main color shifted
- Flow: Templates A/C hard-code brand colors; change only pose and scene
- Result: Packaging and digital assets share one palette
9. Common mistakes & how to avoid them
| Common mistake | Why it fails | How Nano Banana avoids it |
|---|---|---|
| Prompt only says “cute mascot” | Random new character each time | Explicitly preserve mascot identity 100% |
| Too many expressions/poses at once | Consistency collapses | Sheet first, then sticker batches |
| Bake Chinese brand name into art | Garbled text hard to edit | Leave negative space; overlay later |
| Main color changes every asset | Does not feel like one IP | Put main colors into the lock sentence |
| Copy famous IP silhouettes | Infringement risk | Write no copying famous IPs |
| Deliver to client on standard | Cross-asset drift easy | Finalize on Nano Banana Pro |
10. Nano Banana vs Nano Banana Pro — which to pick
| Scenario | Recommended | Why |
|---|---|---|
| Try 5 silhouette personalities | Nano Banana | Fast exploration |
| Design sheet final | Nano Banana Pro | Expression variants without face swap |
| Emoji sticker set | Nano Banana Pro | Small-size consistency matters more |
| Lifestyle banner / packaging | Nano Banana Pro | Better composition and color stability |
| Daily draft brainstorm | Nano Banana | Direction first, then Pro polish |
11. Quick start in three steps
- Open Nano Banana official website to learn the product, enter the web app, and write clear character anchors
- Copy Template A or B, fill main colors and accessory, stress
preserve exact mascot identity 100% - Iterate with short instructions, then export 3:4 / 1:1 / 16:9 sheet, sticker, and banner sets
12. Closing thought
The essence of a brand mascot is not “one cute standing pose alone” — it is letting users recognize the same persona on packaging, chat stickers, and splash screens. Explore silhouettes with Nano Banana, lock face/palette/accessory and export by channel with Nano Banana Pro, and on the Nano Banana official website in one workflow you can turn a written brief into a shippable IP asset library.