
Phineas and Ferb Cartoon Character Transformation
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GeminiPrompt Type: Image generation prompt
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Use the user-uploaded image as the ONLY source of identity, pose, and outfit reference.
ABSOLUTE OBJECTIVE
Redraw the subject as an ORIGINAL CHARACTER designed for the official animated TV series
“Phineas and Ferb”.
The result must be visually indistinguishable from a real show model sheet or episode frame.
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PHINEAS AND FERB STYLE LOCK (NON-NEGOTIABLE)
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LINEWORK & STROKES
• Clean 2D TV-animation ink lines.
• Medium-bold black outlines with smooth, rounded corners.
• Slight organic stroke variation (hand-inked feel), NOT vector-perfect.
• One clear outer contour per shape.
• Minimal interior lines — only where absolutely necessary.
• No sketch texture, no rough brush, no hatching.
COLOR & FILL RULES
• Flat, matte cel-shaded colors ONLY.
• No gradients, no lighting effects, no painterly shading.
• At most ONE simple shadow shape if needed (e.g. under chin explains form).
• Bright but broadcast-safe color palette.
• Black used only for outlines, pupils, or solid hair shapes — never for shading.
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BODY PROPORTIONS (SHOW-ACCURATE)
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• Head is exaggerated and graphic:
– Triangular wedge, trapezoidal, or rectangular block.
• Head is oversized relative to body.
• Neck is thin and elongated.
• Torso is small, narrow, and simplified.
• Arms and legs are:
– Extremely long and thin OR
– Intentionally short and stubby,
but ALWAYS simplified and non-realistic.
• No muscle definition. No correct anatomy.
• Should read as tubes and blocks, not human anatomy.
HANDS & FEET
• Hands are simplified mitten shapes or 3–4 rounded fingers max.
• Feet are flat, cartoon shoes with minimal detail.
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FACE CONSTRUCTION (CRITICAL)
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• Eyes: large white ovals or circles.
• Pupils: simple solid circles, minimal highlights (optional).
• Eyes may be slightly mismatched in size or placement for humor.
• Nose: very small, simple, slightly off-center.
• Mouth: simple curved cutout shape.
• Teeth: single white shape only (no individual teeth).
• Mouth interior: flat dark fill (maroon/brownish).
• Expression must be playful, quirky, and readable — never subtle or realistic.
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IDENTITY TRANSLATION (NOT REALISM)
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Preserve:
• Recognizable identity of the person.
• Facial expression and personality.
• Hairstyle silhouette (translated into Phineas and Ferb graphic shape language).
• Outfit design, colors, and accessories.
• Original pose and body language.
Translate ALL real-world details into simplified cartoon equivalents.
NO photoreal elements may remain.
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COMPOSITION & OUTPUT
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• Full-body or bust-up character.
• Centered composition.
• Plain white background.
• No shadows, no effects, no environment.
• Clean cutout suitable for:
– Stickers
– Avatars
– Profile icons
– Merch assets
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FINAL VALIDATION
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The output must look like:
• A real Phineas and Ferb character turnaround
• A production-ready TV animation asset
• Something that could appear in an actual episode without visual mismatch
If it does NOT instantly read as “Phineas and Ferb”, the result is incorrect.