Why Does Zahhak Have Snakes on His Shoulders?
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Zahhak is one of the Shahnameh’s most disturbing rulers: a handsome prince who becomes a tyrant with two living snakes growing from his shoulders. The image is so memorable that he is often called Zahhak-e Mardush (ضحاک ماردوش), “Zahhak the Snake-Shouldered.”
Why does Zahhak have snakes on his shoulders? In Ferdowsi’s story, the devil first corrupts Zahhak, then returns disguised as a brilliant cook. After winning the prince’s favor, he asks permission to kiss Zahhak’s shoulders. Two black snakes immediately grow from the places his lips touched. When every attempt to cut them away fails, the devil appears again—this time as a physician—and prescribes human brains as their food.
The snakes are therefore not random fantasy creatures. They are the visible result of a sequence: flattery, appetite, moral surrender, bodily corruption, and finally a system of organized killing.
Who is Zahhak in Persian mythology?
Zahhak (ضحاک), also written Zahak or Zohak, is a tyrant in Iranian legend and one of the major villains in Ferdowsi’s Shahnameh, the Persian “Book of Kings.” In Ferdowsi’s version, he begins as the son of Merdas, an Arab ruler described as generous and devout. Zahhak is not born with snakes and does not initially look like a monster. He becomes one through repeated choices.
That detail separates the Shahnameh character from his much older ancestor. Encyclopaedia Iranica’s entry on aždahā traces Iranian dragon traditions back to Avestan and Middle Persian literature. The ancient Aži Dahāka is a multiheaded serpent or dragon-like adversary. By the time of Ferdowsi, the creature has been reshaped into a human king whose monstrous nature erupts from his body.
This transformation matters. A dragon can be recognized as an enemy from a distance. Zahhak looks like a legitimate prince, accepts advice, rewards talent, and takes power through political weakness. His evil develops inside familiar courtly behavior.
How the devil gains control of Zahhak
1. Flattery comes first
The corrupting figure is usually called Ahriman in explanations of the legend and Eblis in the relevant Shahnameh episode. He approaches Zahhak as a persuasive adviser and feeds the young prince’s ambition. Zahhak eventually becomes complicit in the death of his own father and takes the throne.
The story’s first warning is psychological rather than supernatural: Zahhak wants power badly enough to trust a flattering stranger over a good parent. The snakes appear later, after the betrayal has already begun.
2. The devil returns as a cook
The tempter then adopts a new disguise and offers his services as a cook. Meal after meal grows richer, more elaborate, and more centered on meat. Zahhak becomes delighted with the cook and promises him a reward.
The cook asks for something that sounds harmless: permission to kiss the ruler’s two shoulders. Zahhak agrees. The kiss is given, the cook disappears, and a black snake rises from each shoulder.
Ferdowsi’s Persian account of this episode can be read in Ganjoor’s text, “The Story of the Snakes Growing on Zahhak’s Shoulders”.
Why can’t Zahhak simply remove the snakes?
Zahhak’s attendants cut the snakes away, but they grow back. The problem cannot be solved by treating the surface while leaving the corruption beneath it unchanged.
The devil then returns in the disguise of a learned physician. He tells Zahhak that the snakes must be fed the brains of two young people every day. The supposed cure does not cure anything. It converts Zahhak’s private curse into a permanent institution of murder.
The Smithsonian National Museum of Asian Art’s account of “Zahhak Enthroned” summarizes the crucial sequence: the disguised devil kisses the king’s shoulders, and the resulting snakes demand human brains.
Why do the snakes eat human brains?
At the narrative level, the answer is simple: the false physician prescribes brains as the only food that will quiet them. At a symbolic level, the image invites several readings.
- Tyranny consumes the young. Zahhak’s survival depends on the daily destruction of new lives.
- Violence becomes administrative. The killings are no longer an occasional outburst; cooks, guards, and palace routines must keep the system operating.
- Appetite never resolves itself. Feeding the snakes today does not satisfy them tomorrow. The demand repeats endlessly.
- Corruption becomes visible. The evil that Zahhak accepted through counsel and desire now sits openly on his body.
These are interpretations of Ferdowsi’s imagery, not a single definition supplied by the poet. The power of the snakes lies partly in their ability to represent several features of oppressive rule at once: fear, dependency, consumption, and repetition.
Armayel and Garmayel: resistance inside the palace
Two men, Armayel and Garmayel, enter Zahhak’s kitchen to reduce the killing. Each day they spare one of the two intended victims and substitute a sheep’s brain for the missing human brain. The survivor is secretly sent away.
The episode, preserved in Ganjoor’s Persian text about the rescue of the snakes’ victims, adds moral complexity. Zahhak’s state is murderous, yet even inside it people find limited ways to resist. They cannot immediately overthrow the king, but they can prevent some deaths.
Ferdowsi later connects the rescued people to communities living away from the tyrant’s court. Whether read as mythic ethnography or as a story of survival, the point is clear: Zahhak never achieves total control.
Zahhak’s nightmare and the rise of Fereydun
Zahhak eventually dreams of a young avenger who will strike him with an ox-headed mace. His wise men fear telling him the interpretation, but the truth emerges: a child named Fereydun will grow up and end his rule.
The featured image for this article depicts that moment rather than the first appearance of the snakes. In Sultan Muhammad’s Safavid painting, Zahhak collapses as the court’s wise men explain his fate. The Metropolitan Museum of Art identifies the scene as folio 29v of the Shahnameh of Shah Tahmasp, made in Tabriz around 1524.
Zahhak reacts like many doomed tyrants in epic literature: the prophecy does not teach him humility. It makes him more violent. He searches for Fereydun and orders further killing, helping to create the rebellion he fears.
Kaveh the Blacksmith and the first revolutionary banner
The breaking point comes when Kaveh, a blacksmith whose sons have been taken by Zahhak’s system, confronts the king. Zahhak wants prominent men to certify that he is just. Kaveh refuses the false declaration, tears it apart, and leaves the palace calling the people to revolt.
Kaveh raises his leather smith’s apron as a banner. Fereydun’s supporters decorate it, and it becomes the legendary Derafsh-e Kaviani—the Kaveh banner, later imagined as a royal standard of Iran. The full Persian episode is available in Ganjoor’s section on Kaveh, the banner, and the ox-headed mace.
The contrast is deliberate. Zahhak’s authority depends on feeding two creatures attached to his royal body. Kaveh’s authority begins with an ordinary workman turning a tool of labor into a public sign of resistance.
Does Fereydun kill Zahhak?
No—not in Ferdowsi’s telling. Fereydun defeats Zahhak and prepares to strike a fatal blow, but a divine messenger instructs him not to kill the tyrant. Zahhak is chained and carried to Mount Damavand, where he is imprisoned.
This ending helps explain Damavand’s unusual place in Iranian imagination. The mountain is not only a beautiful peak; it is the prison of a danger that has been restrained rather than erased. Our article Why Mount Damavand Matters in Persian Mythology explores that setting in greater detail. Ferdowsi’s Persian account of the binding appears in the final Zahhak section on Ganjoor.
What does Zahhak’s story mean today?
Zahhak endures because he is more than a monster to be defeated. He is a model of how domination grows:
- Ambition welcomes flattering counsel.
- A seemingly small permission creates a lasting dependency.
- A private problem is solved by sacrificing innocent people.
- The sacrifice becomes a daily institution.
- Fear of losing power produces even more violence.
- Resistance begins among people expected to obey.
The snakes make this process impossible to hide. They sit beside Zahhak’s head, close to the place of thought and judgment, yet demand that the minds of others be destroyed. That visual contradiction—power without wisdom, survival through the consumption of brains—helps explain why Persian artists repeatedly returned to the story.
A villain who makes the Shahnameh’s moral world visible
Ferdowsi’s heroes are not perfect, and his kings are not automatically legitimate. Rule depends on justice, self-command, and the possession of farr, the radiance or fortune associated with rightful sovereignty. Zahhak displays the opposite qualities. He is ruled by appetite, terrified by truth, and sustained through harm.
If you are new to the epic, start with The Shahnameh: A Simple Introduction to Iran’s Epic Book. For a wearable reference to its legendary world, see the Shahnameh Legends Volleyball Graphic T-Shirt. The Luxury Persian Gift Wrap with Shahnameh and Miniature Art carries the manuscript-art tradition into gift presentation.
Image credit: “Zahhak Is Told His Fate,” folio 29v from the Shahnameh of Shah Tahmasp, painting attributed to the Iranian artist Sultan Muhammad, ca. 1524, made in Tabriz, Iran. Metropolitan Museum of Art, object 1970.301.4. The Met designates the work Public Domain; the digital file is available through Wikimedia Commons under CC0 1.0.