Top 20 Scariest People in History

#20: The Zodiac Killer

Kicking off our list is the phantom who taunted the San Francisco Bay Area in the late 1960s. While his confirmed body count is lower than others on this list, the Zodiac is terrifying because he treated murder like a game - and he knew that he was winning. He sent complex cryptograms to newspapers, threatened to shoot children on school buses, and famously wore a hooded executioner’s costume during one of his attacks at Lake Berryessa. But perhaps scariest of all, the Zodiac technically won his depraved game. He was never caught, and his identity remains an unresolved question mark in the annals of American true crime. The Zodiac essentially proved that you could taunt the police, terrorize a populace, kill people - and completely get away with it.

#19: Gilles de Rais

Few figures have plummeted from such heights to such depraved depths. In the 15th century, Gilles de Rais fought valiantly alongside Joan of Arc and became a national hero. But behind his castle walls, he was a monster. de Rais is believed to have kidnapped, sexually assaulted, and murdered hundreds of children to satisfy his twisted occult obsessions. The contrast between his public image as a holy warrior of France and his private reality as a prolific child murderer is deeply disturbing. He serves as a grim historical reminder that monsters often hide in plain sight, and sometimes they wear the armor of a savior. He is also often cited as the true inspiration of the Bluebeard fairy tale, proving that history is often far scarier than fiction.

#18: Ivan the Terrible

Earning the moniker “The Terrible” requires more than just a bad temper. The first Tsar of Russia was a man consumed by extreme paranoia and uncontrollable rage, seeing enemies in every shadow. He famously beat his pregnant daughter-in-law and caused her to miscarry, and then bludgeoned his own son and heir to death with a staff. And beyond his grotesque domestic violence, he also created the Oprichnina, a terrifying secret police force that rode with the symbol of a dog’s head on their saddles to sniff out treason. But they wouldn’t just find dissenters - they would boil, roast, and massacre anyone Ivan suspected of disloyalty. His reign established a bloody legacy of state terror, proving that the most dangerous person in the country could be the very man sworn to protect it.

#17: Jack the Ripper

He is the phantom that gave birth to the modern age of fear - and the modern conception of the serial killer. Terrorizing London’s Whitechapel district in 1888, Jack the Ripper didn’t just kill; he viciously mutilated his victims in the open streets. The resulting scenes were of absolute horror and shocking gore. The sheer audacity of the crimes, combined with the bloody “From Hell” letter sent to George Lusk, sparked a media panic that defined the era. And like The Zodiac after him, Jack’s identity remains a complete mystery, as he was never caught. He was and remains the ultimate boogeyman of the Victorian age, a man prowling the dark and seedy streets and butchering the women who caught his psychotic eye.

#16: Idi Amin

Known as The Butcher of Uganda, Idi Amin was a dictator who presented a terrifying paradox of joviality and genocide. Standing a physically imposing 6’4’’, Amin expelled 80,000 Asians from his country and presided over the slaughter of up to 500,000 Ugandans. His erratic behavior fueled terrifying rumors that he practiced cannibalism and kept the severed heads of enemies to have “conversations” with them. Of course, the veracity of this has been disputed. Amin showed the world that a leader could be dismissed as a buffoon internationally while still running a slaughterhouse at home. His regime was a chaotic blend of absurdity and atrocity, a stark reminder that unpredictable and charismatic power is often the most dangerous kind of all.

#15: Richard Ramirez

While some killers hide in the shadows, the Night Stalker reveled in his own demonic image. Terrorizing Los Angeles in the mid 1980s, Ramirez had no specific pattern - he attacked men, women, and children alike, breaking into any random house that caught his eye that night. With his rotting teeth, weird Satanic ramblings, and lack of hygiene, he was a bizarre movie slasher come to life. In court, Ramirez famously drew a pentagram on his hand, flashed it to the cameras, and yelled “Hail Satan!”, further adding to the legend of his barbarism. Because his crimes were entirely opportunistic, he made an entire city afraid to sleep. In the end, Ramirez murdered at least fifteen people, embodying the primal fear that we all share - that of the intruder in the night.

#14: Vlad the Impaler

Long before he inspired the legend of Dracula, Vlad III was crafting a legacy of very real horror. This 15th century prince defended Wallachia by turning his enemies into a literal forest of rotting corpses. No, seriously, he made a forest of rotting corpses. As per his name, Vlad’s trademark was impalement - driving a greased stake through the body and avoiding vital organs, ensuring that the victim remained alive and suffering for days. He once displayed 20,000 impaled bodies to scare off an invading Ottoman army. It worked perfectly; the Sultan witnessed the surreal carnage and retreated in sheer horror. Vlad demonstrated that cruelty could in fact be used as a strategic military asset, and his methods were so gruesome that he remains synonymous with bloodlust centuries after his death.

#13: Ed Kemper

This killer is basically Satan come to Earth. He stands a gigantic 6’9’’, making him incredibly imposing. He also has a genius IQ, because of course he does. And not only that, but he was also known for being polite and articulate, and he even befriended the police officers who were actively hunting him. But behind that friendly mask was a monster. Kemper became known as The Co-Ed Killer after butchering a number of college students and engaging in horrific acts with their bodies. The horror culminated when he murdered his own mother, decapitated her, and then used her head as a dartboard. He then turned himself into the police, claiming, essentially, that he was tired of killing. You wouldn’t know it with the friendly facade, but Kemper is evil incarnate.

#12: Attila the Hun

To the Romans, Attila the Hun was a form of divine punishment. Throughout the fifth century, Attila didn’t just conquer cities; he erased them from the map entirely, razing buildings and slaughtering the inhabitants. And he commanded his forces with such an intensity and ferocity that people, especially his victims, believed that the apocalypse had arrived. Roman accounts depicted the Huns as savages who ate raw meat that was warmed under their saddles, and it was said that Attila never laughed. And while he likely never said it himself, later legends attribute a famous quote to the Hun that basically sums up the terror. It says, “Where my horse treads, the grass never grows again.”

#11: Jeffrey Dahmer

Many people are called the neighbor from Hell, but Jeffrey Dahmer might just be the ultimate example. Dahmer murdered seventeen people and even tried turning some into submissive “zombies” by drilling holes in their skulls and injecting acid into their brains. When police finally raided his apartment in 1991, they found severed heads in the fridge and a human torso dissolved in a vat of acid. The story is revolting in every measurable way, but it’s the methodical and lonely nature of his depravity that makes Dahmer such a legendary villain. Unlike many serial killers, he wasn’t a raving lunatic or a charismatic con man; he was a solitary and awkward man committing unspeakable acts in a boring apartment building. Sometimes, evil really does live right next door.

#10: Rasputin

Ra-ra-Rasputin hovers in history as a figure of almost supernatural dread. While not a mass murderer, the Mad Monk was a dirty and unkempt mystic with hypnotic eyes who manipulated the Russian royal family and helped bring down an empire. You could see how his legend has devolved into such outlandish myth. He is perhaps most famous for his legendary refusal to die - poisoned, shot multiple times, beaten, and thrown into a frozen river. Of course, this prolonged death has been largely fabricated throughout the years, but it still speaks to the mythic power that he held over his victims and the country. He represents the terrifying idea of a dark sorcerer pulling the strings of a nation, and this reputation hasn’t let up for a hundred years.

#9: Albert Fish

The Gray Man. Even his nickname is creepy and gross. Albert Fish looked like everyone’s kindly grandfather, which of course made him invisible to his victims. In reality, Fish was a sadomasochist and cannibal who targeted children during the Great Depression. He is perhaps most famous for writing a polite, handwritten letter to the mother of one of his victims, describing in grotesque detail how he killed, prepared,and ultimately ate her child. That level of inhuman cruelty is almost impossible to comprehend. Fish didn’t kill for money or anger; he killed for the sheer, twisted pleasure of pain. For the fun of it all. He represents the ultimate betrayal of trust, proving that the most innocent looking amongst us can harbor the most depraved secrets imaginable.

#8: Talaat Pasha

You know what they say - the pen is mightier than the sword. History sometimes proves it to be true. As the Grand Vizier of the Ottoman Empire, Talaat Pasha was the architect of the Armenian Genocide. He organized the deportation and murder of over one million people using the telegraph system, treating human extermination like a simple administrative task. He showed the world that you can commit monstrous acts from behind a desk without ever getting your hands bloody. And it’s this ability - to physically and emotionally detach himself from the suffering of millions - that makes him one of the most chilling figures in human history. Operating in the 1910s, Talaat Pasha set the precedent for the modern, state sponsored genocides that would go on to plague much of the 20th century.

#7: Charles Manson

He is the evil that ended the Summer of Love. It’s almost Biblical. Charles Manson wasn’t a serial killer in the traditional sense, but his crimes were no less terrifying for it. As the charismatic leader of the Manson Family, Charles brainwashed young and impressionable hippies into believing in his own warped world views and culty, pseudoreligious babble. His influence culminated in 1969, when he ordered his followers to brutally butcher seven people, including pregnant actress Sharon Tate. Manson is a jarring figure in virtually every sense. He was powerful, he looked creepy, and he harbored thoughts of deplorable violence that, even to this day, seem unspeakable. With the carved forehead and empty, hypnotic stare, Charles Manson remains the ultimate symbol of counterculture gone horribly, horribly wrong.

#6: Timur (or Tamerlane)

While many conquered for land, this 14th century warlord seemed to conquer for the sheer artistry of death and destruction. Seeking to rebuild the Mongol Empire, Timur left a gruesome signature in his wake: nightmarish towers of skulls. After destroying a city, Timur would order his troops to cement thousands of severed heads into pyramids to serve as a warning to his enemies. In Isfahan alone, he massacred 70,000 people just to make a point. He combined military genius with a theatrical love for violence that few in history have ever matched. Timur’s campaigns turned entire regions into graveyards, and he didn’t just want to win. He wanted to scare and traumatize the whole world into submission. A tower of severed heads is certainly a good way to do that.

#5: Leopold II

To the world, Leopold II was a refined monarch. To the Congo, he was the devil himself. Leopold ran the Congo Free State not as a colony, but as his own personal possession, enslaving the population in order to harvest rubber. Roughly ten million people died under his brutal regime, all so he could funnel profits back to Europe to build palaces. And to prove that they weren’t wasting bullets hunting for food, Leopold’s soldiers were required to present the severed hands of their victims. Of course, this often led to the mutilation of the living just so the soldiers could meet their ridiculous quotas. Leopold’s story is a chilling example of greed overriding humanity. He never even set foot in the Congo, yet he caused more suffering than almost anyone in history.

#4: Genghis Khan

The scope of the Mongol Empire is hard to comprehend - but the body count they left behind is even harder. Genghis Khan created the largest contiguous empire in history, but the cost was roughly 40 million lives. His policy was simple: submit or die. If a city resisted, Genghis Khan would simply plow through it, often exterminating every living thing within its walls - men, women, children, even animals. Believe it or not, his wars were so deadly that the global population dropped to such a significant degree that it allowed forests to regrow on the empty farmland. While undeniably a brilliant strategist, the Khan’s evil lies in the total annihilation of the opposition. There were no rules, no conventions, no nobility. You submitted, or you died.

#3: Pol Pot

In a fanatical bid to reset time to the so-called “Year Zero,” Pol Pot turned Cambodia into a slaughterhouse. The result was the Killing Fields, where nearly a quarter of the country’s population was wiped out in the span of just four years. The scope is simply impossible to comprehend. But the truly scary part was the flippant criteria for death. If you wore glasses, spoke a foreign language, or even if you had soft hands, you were considered an enemy of the state and executed. He turned children against their parents and destroyed the social fabric of an entire nation. His regime proves that ideology, when taken to its absolute extreme, can justify the murder of millions for reasons that seem completely insane to the outside world.

#2: Joseph Stalin

The Soviet Union has seen its share of villains, but none quite like Joseph Stalin. Through the inhumane Gulag system, man-made famines like the Holodomor, and The Great Purge, Stalin was personally responsible for the deaths of millions. The body count was ridiculous, but it was the psychological terror that truly set him apart. He often purged his own inner circle, erased people from the history books, and created a paranoid society where children openly denounced their parents. It was said that you could even be murdered for being the first person to stop clapping after a speech. For thirty years, not a single person in the Soviet Union felt safe, making him one of the most terrifyingly effective tyrants to ever live.

#1: Adolf Hitler

At the summit of human cruelty stands the man who turned hatred and death into an industry. While others may have higher death counts, it was Hitler’s intent which truly defines the concept of evil. Hitler didn’t just kill; he built a vast, complex system of trains, camps, and gas chambers solely designed to exterminate entire races of people. From starting the most destructive event in history to orchestrating the Holocaust, his legacy is the ultimate nightmare of what happens when cruelty goes unchecked. Hitler utilized modern technology and bureaucracy to commit ancient atrocities, turning genocide into a state project and permanently scarring the human conscience. His very name is synonymous with evil, a morbid benchmark of sorts to which we compare the other great villains of human history.

Which terrifying individuals did we forget? Let us know in the comments below!