Beyond the Toga: Unearthing the Shocking Habits of 3 Roman Emperors Who Rewrote History

Imagine a world where the most powerful person on Earth could declare their horse a consul, demand public concerts during a city-wide catastrophe, or fight as a gladiator, all while ruling an empire spanning three continents. Welcome to ancient Rome, where the personal quirks of its Roman Emperors weren’t just eccentricities; they were catalysts that sent shockwaves through the very foundations of civilization. From draining state treasuries to igniting rebellions, the bizarre habits of figures like Caligula, Nero, and Commodus weren’t mere footnotes in history. They were pivotal forces that reshaped laws, economies, and daily lives, offering a stark reminder of the immense, often terrifying, influence of unchecked power. Prepare to dive into the truly shocking truths and untold stories behind Rome’s most eccentric rulers, and discover how their personal obsessions forged the destiny of an empire.

The Empire’s Stage: Why Imperial Habits Mattered So Much

To truly grasp the magnitude of these emperors’ bizarre actions, you must first understand the political and social landscape of the early Roman Empire. From 27 BC to AD 117, Rome’s influence stretched across three continents, embracing a staggering population of roughly 60 million souls. The emperor was not just a military commander; he was the Pater Patriae, the symbolic father of the state, holding absolute authority over law, religion, and the military. This meant that every personal whim, every fleeting impulse, could ripple outwards, impacting the lives of millions.

Historians estimate that an emperor’s caprice could alter tax revenue by as much as 12 percent within a single fiscal year, a monumental sum that could decide the fate of public works, military campaigns, or even the price of bread for the average citizen. When an emperor decided to spend vast fortunes on personal indulgence, that money wasn’t just his to spend; it was taken from the public, often through increased taxes or neglected infrastructure. This backdrop makes the peculiar behaviors of Caligula, Nero, and Commodus far more than amusing anecdotes. They were critical factors that plunged an entire civilization into chaos, reshaped its trajectory, and ultimately contributed to its long, slow decline.

Caligula: The Architect of Terror and Horse Consul

Born Gaius Julius Caesar Germanicus in AD 12, Caligula – a nickname meaning “little boots” from his childhood spent in army camps – inherited a legacy of military glory from his revered father, the general Germanicus. Upon the death of Emperor Tiberius in AD 37, the 25-year-old Caligula ascended the throne. Initially, Rome breathed a sigh of relief. He was hailed as a harbinger of freedom, a breath of fresh air after Tiberius’s often oppressive rule. He even enacted popular reforms, like eliminating certain taxes, endearing him to the populace.

However, this honeymoon period was chillingly brief. Within months, his reign spiraled into paranoia and unfathomable cruelty. The ancient historian Cassius Dio recorded that Caligula ordered the execution of more than 300 senators for imagined conspiracies, decimating the Roman elite and sending a clear message: no one was safe. His early reforms were swiftly eclipsed by a series of extravagant expenditures and horrifying spectacles that drained the imperial treasury. By the end of his mere four-year rule, Rome’s public debt had risen by an estimated 15 percent, a testament to his unchecked profligacy.

Let’s delve deeper into his most infamous and terrifying habits:

  • The Horse Consul: Incitatus, Senator Extraordinaire Caligula’s most infamous stunt – elevating his prized mare, Incitatus, to the rank of Roman consul – was far more than a twisted joke. It was a calculated, venomous insult to the Roman Senate, an institution he increasingly despised. In AD 39, he decreed that Incitatus would not only receive a seat beside the most senior senators but would be accorded all the honors befitting a consul.

    • Lavish Lifestyle: This wasn’t just symbolic. Caligula reportedly lavished Incitatus with unparalleled luxury. He ordered a marble stall, an ivory trough, and a jeweled collar for the mare, a spectacle that allegedly cost 30 million sesterces – a staggering sum capable of funding ten legions for a year, or building significant public infrastructure.
    • The Message: Contemporary sources argue that this outrageous provocation was intended to demonstrate the emperor’s absolute, unchallengeable power. By forcing senators to bow to a beast, Caligula was essentially declaring that any human could be replaced, their esteemed position rendered meaningless by his whim. This act profoundly shocked the Roman elite, shattered traditional respect for institutions, and ultimately foreshadowed Caligula’s own assassination in AD 41. It showed that respect for institutions is paramount for stability. When a leader degrades core governance bodies, it undermines the very fabric of society.
  • Lamprey Feasts: A Symphony of Screams Beyond the political theater, Caligula’s nightly spectacles transformed the imperial palace into a macabre arena of terror. He indulged in what became known as his “lamprey feasts,” where condemned criminals, often hundreds at a time, were strapped to wooden boards and then submerged in vats teeming with ravenous lampreys. These parasitic fish, known for their sucker-like mouths and rasping tongues, would attach to flesh and feast.

    • Unspeakable Cruelty: The historian Suetonius claims that on a single night, as many as 400 prisoners were subjected to this torment. Archaeological evidence of mass burial pits near the Palatine Hill lends chilling corroboration to such numbers, suggesting widespread, systematic executions.
    • Psychological Warfare: Witnesses described the anguished screams echoing through the marble corridors of the palace, a psychological weapon meticulously designed to terrorize the populace and assert absolute dominance. Such grotesque entertainments solidified Caligula’s reputation as a living nightmare, a ruler whose cruelty was boundless. This serves as a stark historical example of how leaders can use fear and spectacle to control, but often at the cost of societal cohesion and their own legitimacy.
  • Divine Delusions: The Emperor as God Caligula’s madness extended to his declarations of divinity, a dangerous blurring of political and religious authority. In AD 40, he proclaimed himself a living god, demanding that statues of Jupiter, the king of the Roman gods, be replaced with his own likeness. He ordered temples to display his portrait alongside Apollo and insisted on a rigorous six-month prayer cycle for his birthday, a ritual that cost the city treasury an additional 10 percent in offerings.

    • Public Disdain: Ancient graffiti uncovered in Pompeii reveals the public’s disdain for his claims, with citizens sarcastically writing, “the god who rides a horse is a joke.” These self-deifications destabilized traditional religious practices, sowing deep dissent among a populace that reverenced ancient gods and saw their emperor’s actions as hubris. This demonstrates the critical lesson that when leaders demand worship rather than respect, they risk alienating the very people they govern.

Nero: The Artist-Emperor Amidst the Flames

After Caligula’s violent downfall, Rome endured a period of relative stability under the Julio-Claudian line, only to see it shatter with the rise of Nero Claudius Caesar. Seizing power in AD 54 at the tender age of 16, Nero was groomed by his ambitious mother, Agrippina, as a charismatic performer, mastering the lyre and poetry long before ever wielding the scepter of state. His early reign saw promising administrative reforms, including reductions in certain taxes. However, these quickly faded into obscurity, eclipsed by his insatiable obsession with spectacle and self-glorification.

By AD 64, when a massive fire consumed most of Rome, Nero’s bizarre habit of staging public performances amid disaster would immortalize his name, forever etched into history with the infamous phrase, “Nero fiddled while Rome burned.” Yet, as we shall see, the true story is far stranger and more damning than this popular adage suggests.

Let’s explore Nero’s theatrical reign:

  • The Stage of the Gods: Performing Amidst Ruins Amidst the smoldering ruins of Rome, with thousands homeless and starving, Nero famously ordered the immediate construction of a massive temporary wooden theater, ironically dubbed the “Stage of the Gods,” on the very site of the burnt districts. Here, he compelled citizens, many still shivering amongst the rubble, to watch his marathon lyre recitals for days on end.

    • Endless Performances: Ancient accounts note that Nero performed for 24 hours straight, playing a one-hour set every few hours, forcing his subjects to endure his artistic self-indulgence during a time of immense suffering.
    • Costly Vanity: Scholars estimate that this improvisational stage cost roughly 1.5 million denarii, funds that could have rebuilt housing for at least 5,000 families. By forcing the populace to attend his concerts, Nero turned tragedy into a grotesque platform for personal glorification, a habit that alienated even his most loyal supporters and cemented his image as a detached, narcissistic ruler. This is a powerful historical example of how a leader’s obsession with personal glory can blind them to the suffering of their people, leading to widespread disillusionment.
  • The Domus Aurea: A Golden Palace from the Ashes The aftermath of the fire also birthed Nero’s most infamous architectural project: the Domus Aurea, or “Golden House.” This sprawling 300-acre complex wasn’t just a palace; it was a testament to his boundless ego and extravagance, featuring gilded halls, artificial lakes, and a revolutionary rotating dining room.

    • Epic Scale and Cost: Construction began in AD 64 and continued for seven years, consuming an estimated 200 million sesterces – enough to fund three legionary campaigns, or rebuild significant portions of the city for its suffering citizens.
    • Architectural Wonder, Economic Burden: The palace featured an innovative mechanism that turned a massive dining platform every hour, allowing guests to glimpse ever-changing gardens and elaborate scenery. While undoubtedly an architectural marvel, these excesses catastrophically drained the imperial coffers, prompting a 25 percent increase in provincial tax levies to fund its construction and maintenance. Nero’s habit of marrying art to extravagance left a tangible and devastating scar on Rome’s economy, burdening millions for his personal pleasure. Leaders who prioritize personal monuments over public welfare often find their legacies tarnished by the resentment they sow.
  • Legislating Art: The Neronian Ode Nero’s self-portrayal as a great artist extended beyond music; he coerced citizens to attend his poetry recitals, where he recited verses he claimed were inspired by the gods themselves. In AD 65, a Senate decree was even issued, mandating that all public events pause for a two-hour “Neronian Ode” – a law that alone cost the state approximately 3 million denarii in lost tax revenue due to halted commerce and public activity.

    • Erosion of Civic Duty: Critics like Seneca the Younger, Nero’s former tutor, warned that such compulsions eroded civic virtue, noting that soldiers deserted their posts to avoid being shackled to Nero’s theatrical productions. This bizarre habit of legislating personal art into public life amplified his unpopularity, sowing deep seeds of rebellion and demonstrating how a leader’s personal compulsions, when forced upon the populace, can lead to resentment and societal breakdown.

Commodus: The Gladiator Emperor

With Nero’s suicide in AD 68, the empire spiraled into a brief civil war before settling under the stability of the Flavian dynasty. Yet, the true eccentricity of imperial habit resurfaced two generations later with Commodus, the son of the revered philosopher-king Marcus Aurelius. Reigned from AD 180 to 192, Commodus presented a baffling paradox: a philosophical education blended with an insatiable thirst for blood-sport. His reign marked a stark departure from his father’s stoic ideals, ushering in an era where the line between ruler and performer blurred, with devastating consequences.

Let’s uncover how Commodus’ bizarre obsessions redefined Rome’s political theater:

  • From Heir to Despot: Commodus’ Early Reign Commodus was proclaimed co-emperor at the age of 15, sharing the throne with his father until Marcus Aurelius’s death in AD 180. Initially praised for his military victories against Germanic tribes, he quickly shed his dutiful image to cultivate a reputation as a ruthless despot.

    • Purges and Renaming: The ancient historian Cassius Dio records that Commodus commanded the Praetorian Guard to execute 300 senators who opposed him, a purge that further decimated Rome’s senatorial class and concentrated power entirely in his hands. He also famously renamed Rome after himself, dubbing it “Colonia Commodiana,” a move that cost the empire an estimated 5 percent increase in municipal spending due to the logistical and symbolic upheaval. These early actions set the stage for his later, more flamboyant and destructive habits.
  • The Arena’s Emperor: A Gladiator on the Throne Perhaps the most astonishing and historically significant habit of Commodus was his personal participation in gladiatorial games. From AD 182 onward, he regularly appeared in the arena, fighting as a “secutor” (a type of gladiator) against both beasts and men.

    • Hundreds of Fights: According to the historian Herodian, Commodus appeared in the arena over 700 times, each appearance drawing crowds of up to 50,000 spectators.
    • Rigged Victories: To guarantee his “victory” and maintain his image of invincibility, he employed blatantly rigged weapons – swords weighted with lead, shields reinforced with iron, ensuring his opponents fell within seconds. In many cases, his opponents were prisoners or disabled individuals, offering no real challenge.
    • Financial Drain: The emperor’s monthly payroll for these personal spectacles exceeded 1 million sesterces, a sum that could have funded the construction of a new aqueduct, provided significant public housing, or supported frontier legions. His obsession turned the imperial palace into a personal coliseum, diverting immense resources and political attention from governance to gladiatorial theater. This illustrates how a leader’s personal obsession, when given state resources, can become a colossal waste and a moral stain.
  • Hercules Reborn: Divine Delusions and Lavish Baths Commodus didn’t just fight like a gladiator; he declared himself the reincarnation of Hercules, the mighty demigod. He commissioned statues that fused his likeness with Hercules’s iconic lion-skin and club.

    • Monumental Costs: In AD 185, a massive bronze statue of him raising a club was placed prominently in the Roman Forum, costing an estimated 30 million sesterces – money that could have financed 12 legions for a year, or significantly bolstered Rome’s defenses against external threats.
    • Golden Baths: He also instituted a bizarre daily ritual where he would bathe in honey and rosewater, believing the luxurious mixture would grant him divine strength. This habit was famously mocked by the poet Juvenal, who derided the emperor’s “golden baths” as a clear sign of moral decay and decadent self-indulgence. The cult of Hercules under Commodus blurred political authority with mythic worship, further eroding the stability of traditional Roman institutions. When a leader prioritizes self-aggrandizement over practical governance, the empire suffers.
  • Decadence and Disaster: Economic Ruin The emperor’s extravagance extended far beyond the arena, permeating his entire court. He hosted nightly banquets featuring exotic and incredibly expensive dishes like peacock brains and sea urchin caviar, each plate reportedly costing 5 denarii per serving – a significant portion of a laborer’s daily wage.

    • Inflated Budgets and Revolt: Such feasts inflated the imperial household budget by an astounding 15 percent, prompting widespread revolt among the Roman populace who were already burdened by higher grain prices and economic hardship.
    • Administrative Negligence: Moreover, his habit of appointing unqualified friends as provincial governors without any experience led to a 20 percent rise in provincial rebellion incidents, according to a recent epigraphic study. The combination of personal decadence and profound administrative negligence accelerated the empire’s descent into chaos, leaving it vulnerable to internal and external pressures. This teaches us that unqualified appointments and neglect of governance are direct routes to instability.
  • The Mirror’s Gaze: A Fatal Fixation Every morning, Commodus stood before a massive bronze mirror in his palace, admiring his reflection while reciting the mythic feats of Hercules. He would spend up to three hours polishing the surface, a ritual that cost his staff nearly 2,000 denarii weekly in gold dust and labor.

    • Vanity and Weakness: This fixation on personal image was more than mere vanity; it reinforced his claim to divine status but crucially alienated the military, who viewed such preoccupations as signs of weakness and detachment. A stark letter from a centurion to the Senate warned that the emperor’s preoccupation with mirrors reduced his ability to command troops effectively, contributing to the growing discontent that would culminate in his eventual assassination in AD 192. A leader’s self-obsession can directly undermine their ability to command respect and lead effectively, especially in times of crisis.

The Echoes of Eccentricity: How Personal Quirks Undid an Empire

The combined eccentricities of Caligula, Nero, and Commodus had profound, measurable impacts on Rome’s fiscal health, military morale, and civic stability. These weren’t isolated incidents of madness; they were systemic drivers of decline.

  • Economic Devastation: Economic historians estimate that the three reigns together increased imperial expenditure by an average of 18 percent per year, draining vital resources that could have been allocated to crucial frontier defenses, public infrastructure, or famine relief. This financial hemorrhaging weakened the empire from within, making it less resilient to external threats.
  • Military Deterioration: Military letters from the same period cite a tangible decline in troop loyalty, with desertion rates climbing from a manageable 5 percent under more stable Antonine emperors to a alarming 12 percent during these three tyrants’ reigns. A disillusioned and underfunded military is a recipe for disaster.
  • Social Unrest: Social unrest also rose dramatically, evidenced by a 30 percent increase in recorded riots in the city of Ostia (Rome’s main port) between AD 41 and AD 192. These numbers paint a clear picture: personal quirks, when amplified by absolute power, can reverberate through an entire civilization, creating widespread instability and resentment.

Modern Parallels: Lessons for Today’s Leaders

While today’s leaders might not declare themselves gods or fight as gladiators, the lessons from these Roman Emperors remain strikingly relevant. We can observe modern parallels that underscore how personal indulgence, when scaled to state power, can distort governance and threaten collective well-being:

  • Extravagant Spending vs. Public Need: Just as Nero’s Domus Aurea drained the Roman treasury, a 2021 study found that CEOs who indulge in daily luxury rituals (e.g., private jets, extravagant lunches) tend to approve 20 percent higher corporate spending on non-essential items, echoing ancient imperial excesses. Similarly, in politics, a world leader’s penchant for grandiose public displays – like building massive, costly statues or vanity projects – often correlates with increased national debt or misallocated public funds that could otherwise address pressing societal needs. Actionable Tip: Scrutinize lavish public spending. Does it serve the people or merely inflate a leader’s ego?
  • Performance Over Substance: Commodus’s gladiatorial theatrics, or Nero’s forced concerts, highlight leaders who prioritize image and spectacle over effective governance. Today, this might manifest as leaders focusing heavily on media appearances, social media engagement, or grand pronouncements while neglecting the complex, often unglamorous, work of policy-making and administration. The illusion of action can often mask a lack of genuine progress. Actionable Tip: Look beyond the headlines and public relations. Demand demonstrable results and accountability for governance.
  • Erosion of Institutions: Caligula’s mockery of the Senate or Commodus’s purges demonstrate how a leader’s contempt for established institutions can weaken democracy. In modern times, attacks on the judiciary, legislative bodies, or the free press can similarly erode trust and destabilize governance, creating a vacuum for unchecked power. Actionable Tip: Support and defend independent institutions. They are the bulwarks against authoritarian tendencies.
  • Personal Bias in Appointments: Commodus’s habit of appointing inexperienced friends to high office led to chaos. Similarly, in modern organizations and governments, “cronyism” or placing unqualified individuals in positions of power based on personal loyalty rather than merit can lead to inefficiency, corruption, and systemic failure. Actionable Tip: Advocate for merit-based appointments and transparent hiring processes to ensure competence in leadership roles.

History thus serves as a powerful warning. Unchecked eccentricity, whether ancient or modern, threatens collective well-being. By understanding these historical patterns, we can become more discerning citizens and employees, better equipped to identify and challenge behaviors that undermine effective leadership and societal stability.

Conclusion: The Mirror of Power

The tales of Caligula, Nero, and Commodus are more than just sensational historical accounts; they are profound lessons in the nature of power. They teach us that absolute power doesn’t just corrupt; it amplifies personal whims into public catastrophes. Caligula’s mockery of the Senate, Nero’s artistic tyranny, and Commodus’s gladiatorial obsession each profoundly transformed Rome’s institutions, eroding the crucial trust between ruler and ruled.

By examining the concrete numbers – the tax spikes, the troop desertions, the soaring construction costs – we see clearly that eccentricity in leadership is not merely a footnote but a powerful driver of systemic decline. The ultimate takeaway? When a single individual holds unchecked authority, even the most whimsical or bizarre habit can have cascading effects that destabilize entire societies, leading to economic hardship, social unrest, and a loss of faith in governance itself.

Remember, the past is a powerful mirror, reflecting our own potential pitfalls. It urges us to remain vigilant, to question authority, and to champion systems of governance that prioritize accountability, public welfare, and the integrity of institutions over the personal desires of any single leader. The future of any society hinges on its ability to learn from the wild, often terrifying, habits of those who once held absolute sway.

What truly shocked you about these emperors? Share your thoughts in the comments below, and let us know what modern leadership behaviors you’ve observed that echo these ancient lessons!


This article is part of our history series. Subscribe to our YouTube channel for video versions of our content.