🔴-🔵 4 colors 🟡-🟢

🔴 Ichiji Vinsmoke
🧬 Appearance
Intense red hair, styled back.
Spiral eyebrow (like all Vinsmokes, but inverted compared to Sanji).
Red combat suit with cape.
Dark glasses that reinforce his cold image.
Tall, athletic build, very imposing.
🧠 Personality
Cold, calculating, and dominant.
It represents the “perfection” of his father’s experiment.
He has almost no empathy.
He is the most dominant leader among the brothers (after his father).
He sees others as tools rather than people.
👉 This is the type of person who doesn't hesitate for a second to sacrifice someone if they are "efficient".

🔵 Niji Vinsmoke
⚡ Appearance
Electric blue hair, long and loose.
Blue combat suit with cape.
It carries equipment that allows it to move at high speed (electricity).
Arrogant gaze, confident smile.
🧠 Personality
Sadistic, cruel, and mocking.
He enjoys making others suffer, especially the weak.
Very confident in his power.
More impulsive than Ichiji.
He has a provocative and dominant character.
👉 He is the most “emotionally dangerous”: he likes to humiliate, not just win.

🟡 Sanji Vinsmoke
🔥 Appearance
Blonde hair, covering one eye.
Elegant suit (usually black, formal suit style).
Characteristic spiral eyebrow.
Always well-dressed, with a gentlemanly style.
He smokes constantly.
🧠 Personality
Kind, emotional, and rebellious.
He completely rejects the cruelty of his family.
Extremely chivalrous with women.
He may be perverted, but never disrespectful.
He has a strong moral code.
👉 It is the “mistake” of the experiment… but also the most human and the most emotionally powerful.

🟢 Yonji Vinsmoke
💪 Appearance
Short, light green hair.
Green suit with cape.
Physically more robust than his brothers.
Simpler or more relaxed expression.
🧠 Personality
Brutal, direct and somewhat immature.
Less intelligent than Ichiji and Niji.
Also cruel, but more out of habit than pure sadism.
He can be impulsive and emotionally clumsy.
Sometimes he seems more "human" than the others (although he is still violent).
👉 He's the typical "brute force": he doesn't think too much, he just acts.

Quick comparison
Brother
Dominant trait
Level of cruelty
Intelligence
Style
Ichiji
Control
High
Very high
Cold leader
Niji
Sadism
Very high
High
Provocative
Sanji
Empathy
Low
High
Gentleman
Yonji
Force
Average
Medium-low
Impulsive