Kaido of the Beasts, one of the Four Emperors of One Piece, is called "the strongest creature in the world." But what makes him criminologically interesting is not his strength but his faith: Kaido craves neither wealth nor pleasure, he believes only in strength and in war. He dreams of provoking the greatest war ever seen, and to achieve it he has built an army, the Beasts Pirates, raising soldiers in a culture where violence is the only value and status is earned by killing. Kaido is not just a violent man: he is the architect of an entire subculture where violence has become the norm. For the subculture of violence theory, he embodies the moment when aggression stops being deviance and becomes the core value that orders a whole group.
// The theoryWhen violence stops being deviance
In 1967, criminologists Marvin Wolfgang and Franco Ferracuti published The Subculture of Violence, one of the most influential sociological theories on violent crime. Their thesis: in certain social groups, violence is not an anomaly or a failure of social control, but a shared norm, a core value that structures everyday life. In these subcultures, resorting to force in the face of an offense, a challenge or a dispute is not only permitted: it is what is expected. Whoever does not respond with violence loses honor; whoever wields it effectively gains status. Aggression is learned, transmitted and rewarded like any other cultural value, and those who live within it do not perceive it as something bad, but as the correct and honorable way to behave. Wolfgang and Ferracuti pointed out that in such groups guilt over the violent act is minimal or nonexistent, because the internal code itself legitimizes it. Violence stops being transgression and becomes language: the normal way to resolve conflict, mark hierarchy and defend reputation. Kaido takes that logic to its extreme: in his empire, killing is not the crime —it is the merit—.
Status is bought with blood
The key to the subculture of violence is that it rearranges the economy of prestige. In most societies, rank is obtained through wealth, knowledge, lineage or talent; violence is punished and stigmatized. In the subculture Kaido cultivates, that order is inverted: social capital is the capacity to inflict harm. A subordinate rises by demonstrating ferocity; a warrior earns respect according to how many he has defeated; weakness is not a misfortune but a shame, almost a moral crime. This is the heart of the mechanism: when violence becomes the currency with which status is bought, the whole group begins to compete to exercise it, and brutality reproduces itself not out of individual madness but out of social pressure. Each member is violent because the group rewards violence and punishes restraint. Kaido does not need to order cruelty one by one: he has designed a system of incentives where cruelty produces itself, because everyone aspires to rank and rank is paid for in blood. That is the terrible efficiency of the subculture: it makes violence seem not an imposition, but an aspiration.
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// The subjectThe architect of a culture of war
What distinguishes Kaido from a mere tyrant is that he does not merely exercise violence: he institutionalizes it. He turns an entire country into a factory of weapons and soldiers, imposes forced labor, reduces the population to serving his war project and educates his subordinates —the Gifters, the Pleasures, the Waiters— in a rigid hierarchy where promotion depends on demonstrated ferocity. In his world, loyalty is measured in capacity for destruction and one's own life is worth little: Kaido, almost indestructible, despises even his own survival, and that nihilism —the conviction that nothing matters except strength— is precisely what makes his subculture so contagious. When the leader does not fear death and venerates only combat, his followers internalize that the only way to exist with dignity is to fight. Kaido does not preach a discourse: he models a value. And his crew members, many of them rescued or recruited out of misery, find in that culture of strength an identity, a belonging and a scale of merit that the outside world denied them. There lies the trap: the violent subculture offers the uprooted exactly what they need —status, family, purpose—, in exchange for accepting that blood is the price of it all.
Kaido
// The crackDescribing the subculture is not legitimizing it
Here the ethical crack is delicate and must be named with precision. Explaining that the violence of Kaido and his men is cultural —a learned norm and not simple individual wickedness— could sound like an excuse: "they are not responsible, it is their culture." That is exactly the error to avoid. The subculture of violence theory describes how aggression reproduces itself within a group; it does not legitimize it or exempt anyone. Understanding that one of Kaido's soldiers kills because his environment rewards killing explains the mechanism, but it does not erase the harm or the responsibility for the act. Kaido is not less guilty for having built that culture: he is more guilty, because he is the architect who designed it and imposed it on thousands. The opposite crack is equally dangerous: reducing everything to "mad and sadistic villain," which makes it impossible to understand —and therefore to prevent— how real communities normalize violence until it becomes invisible. The honest reading holds both things at once: subcultural violence has a logic that we can and must understand, and those who exercise it remain responsible for the blood they spill. To explain is not to exonerate.
What One Piece illuminates through Kaido is that subcultures of violence do not arise from a vacuum: they feed on uprootedness, on inequality, on the absence of other paths to respect. His soldiers are not innate monsters; they are people who were taught that the only currency of dignity was strength. Understanding that absolves no one —Kaido included—, but it points to where to intervene: it is not enough to defeat the leader if the culture that manufactures his violence remains intact.
Violent subcultures exist outside fiction
Kaido matters because the subculture of violence is not an anime fantasy: Wolfgang and Ferracuti formulated it by studying real communities where homicide rates soared not because of anomalous individuals, but because of shared codes of honor that compelled a violent response to any affront. Gangs, certain prison environments, armed groups, neighborhood subcultures where "backing down" in the face of an offense costs you respect: in all of them operates the same logic Kaido takes to the extreme —status is earned through strength and weakness is socially punished—. The criminological lesson is twofold. First, that the endemic violence of certain groups is rarely cured by punishing individuals: one must transform the values that reward it, offer other paths to respect and belonging. Second, that recognizing the cultural dimension of violence can never become a moral alibi. Understanding why a group normalizes blood is the first step toward dismantling it, not toward justifying it. Kaido, the architect who made war a value, reminds us that cultures of violence are built —and therefore can also be dismantled—.
Three key takeaways
- Kaido of the Beasts embodies the subculture of violence (Wolfgang and Ferracuti): he is not just a violent man, but the architect of an entire culture where violence is the core value and status is earned by killing.
- The key mechanism is the inverted economy of prestige: when rank is bought with blood, brutality reproduces itself through social pressure, not individual madness. Weakness becomes the only sin.
- Describing the subculture does not legitimize it. Understanding that violence is a learned norm explains how it reproduces, but exempts no one: Kaido, its architect, is more responsible, not less. To explain is not to exonerate.
Sources · further reading
- Wolfgang, M. E. & Ferracuti, F. (1967). The Subculture of Violence: Towards an Integrated Theory in Criminology. Tavistock.
- Anderson, E. (1999). Code of the Street: Decency, Violence, and the Moral Life of the Inner City. Norton.
- Nisbett, R. E. & Cohen, D. (1996). Culture of Honor: The Psychology of Violence in the South. Westview Press.
Case-file questionsFrequently asked questions
¿Quién es Kaido?
Kaido («de las Cien Bestias») es un villano de One Piece, analizado en KRIMINIS con la lente de la criminología. He believes neither in money, nor pleasure, nor power for its own sake.
¿Por qué Kaido (de las Cien Bestias) se convierte en villano?
Kaido of the Beasts and the subculture of violence: a world where strength is not deviance but the norm, the honor and the only capital that confers rank. Explaining that culture is not applauding it.
¿Qué teoría criminológica explica a Kaido?
El caso de Kaido se analiza desde la Teoría de la Subcultura de la Violencia. The subculture of violence theory (Wolfgang and Ferracuti) holds that in certain groups violence stops being deviance and becomes the norm and a core value: honor, strength and reputation are defended in blood. Kaido of the Beasts, from One Piece, embodies that subculture as a system: he raises soldiers in a culture where killing earns status and weakness is the only sin. Describing that subculture does not legitimize it —it explains why violence reproduces itself without anyone feeling it as abnormal—.







