Nano Banana Character Prompts for Original Character Concepts

For early game, comic, or story hero concepts without copying a known character.

Original game protagonist concept of [role], clear full-body silhouette, [personality] expression, practical outfit with [two design details], standing pose, [world/setting] background, cohesive color palette of [colors], polished concept art, no real-person likeness, no copyrighted character imitation.

It defines role, readable shape, personality, outfit anchors, setting, palette, and originality boundary.

For brand-safe mascots, app guides, sticker concepts, and friendly social visuals.

Original cozy mascot character for [product or community], simple rounded silhouette, friendly face, tiny [accessory], soft 3D illustration, clean background, warm lighting, full-body view, expressive but not human-like, no existing mascot imitation, no logos.

It keeps the design simple, friendly, and usable without claiming a protected mascot style.

For campaign notes, worldbuilding boards, and story planning.

Original tabletop NPC portrait of [role], age range [range], distinctive but realistic face, [outfit cue], [emotion] expression, [setting] atmosphere, painterly fantasy portrait, soft directional light, no celebrity resemblance, no protected franchise references.

It creates a useful portrait brief while avoiding real-person or franchise shortcuts.

For comparing a design before deciding which draft to refine.

Original character sheet for [character role], front view plus two small pose variations, consistent outfit silhouette, clear color palette, simple props, neutral background, readable design notes as visual cues only, concept art sheet feel, no random text, no copied character.

It asks for comparison-friendly views and stable design anchors instead of a single dramatic render.

For making a second scene from a character draft while preserving identity cues.

Using the same original character design cues: [hair shape], [outfit silhouette], [main colors], and [signature accessory], create a new scene in [environment]. Keep the face shape, outfit shape, and palette consistent. Change only pose, camera framing, and background mood. No extra characters.

It tells the model what to preserve and limits the variation to pose, framing, and scene.

For profile images, creator handles, community badges, or lightweight personas.

Original avatar portrait of [character type], centered head-and-shoulders crop, readable face and hair silhouette, [expression] expression, simple background shape, clean lighting, strong contrast at small size, no real-person likeness, no platform logo, 1:1 aspect ratio.

It optimizes for small-size readability and avoids identity or logo confusion.

For narrative worlds where the side character needs clear personality.

Original comic side character, [role] with [personality trait], expressive posture, distinctive outfit silhouette, simple prop that explains their job, clean line-art inspired illustration, [setting] background, balanced colors, no existing comic character imitation.

It ties personality to posture, costume, and prop so the character reads quickly.

For safe product education visuals where the character supports a workflow.

Original product guide character for [product category], friendly non-celebrity person, simple outfit in [colors], showing [safe product use scene], clear hands and product visibility, warm commercial lighting, clean background, no medical or legal claims, no brand imitation.

It keeps the character tied to a product scene while avoiding unsupported claims and brand copying.

For original fantasy companions, pet-like mascots, and worldbuilding concepts.

Original friendly creature companion for [world], small readable silhouette, [two physical traits], gentle expression, simple pose beside a neutral object for scale, soft natural lighting, whimsical concept art, no scary gore, no existing creature franchise imitation.

It gives scale, mood, physical traits, and originality without turning into a protected creature copy.

For campaign posters or story key art where composition matters.

Poster key visual featuring an original [character role], dynamic but readable pose, strong silhouette, dramatic lighting, clear empty space for title text, [setting] background, limited palette of [colors], cinematic composition, no random text, no protected IP reference, 4:5 aspect ratio.

It reserves title space and focuses on a safe original character rather than copied franchise cues.

For image-to-image edits after you have one approved original draft.

Use the reference image as the source. Keep the original character's face shape, outfit silhouette, main colors, and signature accessory unchanged. Improve [specific issue] by changing only [one variable]. Preserve the camera angle and character identity cues. No extra characters, no copied IP details.

It separates keep rules from the single change request, which is essential for controlled character edits.

For testing visual directions while avoiding named artist or protected brand style prompts.

Original character concept of [role], same design brief, explore a [visual direction] look: [medium cues], [lighting], [texture], clear silhouette, consistent outfit cues, no named artist imitation, no protected brand or franchise style copying.

It describes visual qualities directly instead of relying on unsafe or misleading named-style shortcuts.