Consistent Character Sheets in Nano Banana (Prompts Included!)

Character persistence in AI video (consistent characters who REMAIN consistent) has always been one of the hardest parts of AI filmmaking -- until now! In this tutorial, I show how I use Nano Banana to create reusable AI character sheets and reference images that help maintain character consistency across cinematic AI video tools like Veo and Kling. I also walk through how to generate scenes with multiple consistent AI characters without the usual drift or face changes.

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🍌 Since everyone is asking... I'm using Nano Banana in Google Flow
https://labs.google/fx/tools/flow

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For vocal consistency, try these....
Text prompts only for vocal consistency https://youtu.be/f4HcdR3cd4M
ElevenLabs tips for vocal consistency https://youtu.be/fDk3wPhr_Ko

🚨Free Character Reference Sheet Prompts to Cut and Paste🚨

1️⃣ Prompt to create a character reference sheet
Create a professional character reference sheet based strictly on the uploaded reference image. Use a clean, neutral plain background and present the sheet as a technical model turnaround while matching the exact visual style of the reference (same realism level, rendering approach, texture, color treatment, and overall aesthetic). Arrange the composition into two horizontal rows. Top row: four full-body standing views placed side-by-side in this order: front view, left profile view (facing left), right profile view (facing right), back view. Bottom row: three highly detailed close-up portraits aligned beneath the full-body row in this order: front portrait, left profile portrait (facing left), right profile portrait (facing right). Maintain perfect identity consistency across every panel. Keep the subject in a relaxed A-pose and with consistent scale and alignment between views, accurate anatomy, and clear silhouette; ensure even spacing and clean panel separation, with uniform framing and consistent head height across the full-body lineup and consistent facial scale across the portraits. Lighting should be consistent across all panels (same direction, intensity, and softness), with natural, controlled shadows that preserve detail without dramatic mood shifts. Output a crisp, print-ready reference sheet look, sharp details.

2️⃣ No reference image? No problem!
Create a professional character reference sheet of [PUT YOUR CHARACTER DESCRIPTION HERE]. Use a clean, neutral plain background and present the sheet as a technical model turnaround in a photographic style. Arrange the composition into two horizontal rows. Top row: four full-body standing views placed side-by-side in this order: front view, left profile view (facing left), right profile view (facing right), back view. Bottom row: three highly detailed close-up portraits aligned beneath the full-body row in this order: front portrait, left profile portrait (facing left), right profile portrait (facing right). Maintain perfect identity consistency across every panel. Keep the subject in a relaxed A-pose and with consistent scale and alignment between views, accurate anatomy, and clear silhouette; ensure even spacing and clean panel separation, with uniform framing and consistent head height across the full-body lineup and consistent facial scale across the portraits. Lighting should be consistent across all panels (same direction, intensity, and softness), with natural, controlled shadows that preserve detail without dramatic mood shifts. Output a crisp, print-ready reference sheet look, sharp details.

3️⃣ Changing wardrobe in Nano Banana
This is a prompt that usually works well for me: "Keep the same character sheet layout. Keep their physical characteristics and expression the same. Change the outfit to [outfit description or reference to image]."

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📚 Chapters
00:00 Consistent Characters are now easier than ever!
01:36 How to create character reference sheets in Nano Banana
03:18 Creating videos with multiple consistent characters

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