In the first episode of Monstrum, Dr. Emily Zarka reveals the mythological origins of iconic dragons from Game of Thrones and The Hobbit, and explains why dragons have been a part of human culture for thousands of years.

Now celebrating its 200th anniversary, Mary Shelley’s Frankenstein was a revolutionary text that pioneered the sci-fi genre. On the surface, it’s a novel about a scary monster, but the sympathetic description of a soulful creature makes us rethink the label.

Stories of blood-sucking monsters have been around for centuries. But the one who have outlived them all is Dracula! Revisit the Count and other vampires he inspired in this episode of Monstrum

Meet the Headless Horseman and his terrifying cousin, the Irish Dullahan, in this episode of Monstrum.

Legend has it this monster could take down ships, grab sailors off decks, and create whirlpools. Meet the Kraken in the latest episode of Monstrum from PBS Digital Studios!

Medusa has inspired art for centuries, whether as a symbol of protection or a monster. Explore her literary and cultural history in this episode of Monstrum from PBS Digital Studios.

What do the Sagas of the Icelanders and Game of Thrones have in common? Dr. Zarka answers this question and explores how the draugr, Nordic undead monsters, bear a striking resemblance to the White Walkers—and more importantly, how these monsters connect to the history of Ancient Nordic peoples.

Did you know there are two different types of chupacabras? Or that these bloodsucking monsters only starting popping up 25 years ago? Sightings of el chupacabras, the “goatsucker,” began in Puerto Rico in 1994 for a very real reason—the unexplained deaths of many farm animals.

Godzilla is one of the most recognizable monsters in film, and he should be. After all, he is part of the longest running film franchise in the world, but you might be surprised to learn that his history in literature is just as prolific. Without his giant footsteps paving the way, we wouldn’t have the female kaijū Mothra, who is perhaps even more beloved.

The impossible, three-headed monster of Ancient Greek mythology, the Chimaera, may have started off as a fantasy, but today, the word “chimera” can be used to refer to anything that seems impossible. This includes the real-life, interspecies animals humans have successfully created.

The legend of La Llorona, the “weeping woman,” has terrified generations. This female ghost wanders in the darkness, crying as she searches for her children--the children she murdered. Some even say that she will capture other kids in her desperation. How could a murderous mother become such a cultural symbol?

Made from clay and animated by the sacred word of G-d, the golem of Jewish origin has evolved from a 6th-century meditation of creation, to a source of labor, and finally, an avenging symbol of redemption. The golem many people recognize today wasn’t invented until the 19th century--but how did it become so influential?

From the invading, high-tech aliens of ‘War of the Worlds’ to post-world war escapism literature and even real-life scientific exploration today, the stories of Martians have changed throughout time. Find out how we’ve gone from viewing Mars as a pre-existing utopia populated by alien races to actually seeing the planet as a potential new home for earthlings.

Explore the symbolic interpretations of the windigo with Dr. Zarka as she explains how this Native American legend can teach us about the spiritual beliefs and social values of the early indigenous peoples of North America.

Dr. Zarka shows how this wailing female ghost connects to the very real Irish tradition of keening— a rhythmic wailing and mourning performed by women as part of the death ritual. Tune in to see how fact and fiction combine to create a supernatural tradition that connects the people of Ireland to their ancestors.

In this episode, you’ll hear all about Homer’s Polyphemus and Hesiod’s one-eyed blacksmiths, but also a little about the role paleontology has played in creating monsters. Join Dr. Zarka and special guests Kallie Moore and Blake de Pastino from Eons to learn all about the surprising fossil inspiration behind cyclopes.

Connected to witchcraft, sexual predation, and mischief, the tokoloshe is a dominant myth in South Africa. There are different kinds of tokoloshe/tikoloshe, but one thing remains the same in all versions of the monster: they cause havoc in the lives of all those unfortunate enough to encounter them. They’re blamed from everything from murder and possession to divorce and debt.

One of the Phillipine’s most dangerous and bizarre aswangs, the viscera-sucking, self-segmenting monster hunts at night. A beautiful woman by day, this creature detaches its upper torso and grows wings after sunset. An intestine-dangling nightmare woman with a taste for fetuses sounds like absolutely madness, but can she teach us about the history of social and religious power in Filipino culture?

Dr. Z travels to the town of Point Pleasant, WV to research the complicated history of the flying creature and how the town was forever changed by the myth of the Mothman. Newspapers gave the winged, red-eyed creature its name after it was spotted on November 15, 1966—an incident followed by almost a hundred other eyewitness accounts.

Christmas isn’t just a time for presents, cookies, and holiday cheer, but the hunting period of Iceland’s murderous monster feline, the Yule Cat. This giant, fluffy cat towers over buildings, roaming the snowy countryside for human victims who have yet to receive new clothes before Christmas.

He can grow higher than the trees, or smaller than a blade of grass. Both demon and deity, guardian and antagonist, the Leshy is rooted deep in the cultural and religious history of the Slavic people.

Hansel and Gretel is one of the most famous fairy tales of the Western world, and contains one of the most notorious witches. In this episode you’ll learn about witch trials in Germany, the role famine and poverty play in creating monsters, and how the Grimm brothers evolved oral folklore into legendary tales. The real story of Hansel and Gretel is even more scary than you think.

Dr. Zarka examines the yeti’s origins, from Tibetan folklore and religion to the Westernized abominable snowman version. She explains how Buddhist beliefs, a series of intrepid 20th-century explorers, and a creatively translated word make the yeti the creature we recognize today—and how it led to some pretty incredible scientific discoveries.

Jinn is a popular character in fiction and their origins continue to influence Islamic cultures today. From the Qur’an to The Thousand and One Nights, the story of Aladdin to I Dream of Jeannie and everything in between—the jinn are more than just a being trapped in a lamp who grants wishes. They’re powerful, intellectual entities whose stories are woven into ancient Islamic culture.

Dr. Zarka explains the timeline of this Internet folklore sensation, examining how unlike so many other monster origins stories, we know exactly when and why this one was created. From Creepypasta to video games, horror movies to doctored photographs, Slenderman is everywhere. Find out why he consumes our imaginations.

In this special episode, Dr. Zarka shows you what’s inside her “go bag,” a kit of survival supplies she keeps on hand at all times. In this episode you’ll find out how the horror genre can inspire real-world preparedness and take a look at how humans throughout history use literature, film, and art as ways to explore (and even practice for) real-world pandemics and disasters.

Although able to appear as a beautiful young woman, the jorōgumo is really a deadly spider monster in disguise. This episode dives into the fascinating world of yōkai and the long history of beautiful women and spiders in Japanese folklore. You’ll learn about the real-world spider that may have inspired this monster, and discover two of the oldest recorded jorōgumo stories in existence.

Originating in the stories and beliefs of the southeastern Indigenous peoples of Australia, accounts of the bunyip are widely varied. This episode uses Aboriginal stories, historical records, and fossils to explore the bunyip legend, and take a look at how European colonization impacted Australia and its Indigenous peoples.

This episode explains how sirens appeared in ancient history, from literature to art, and looks at how the half human half bird creatures became more commonly associated with mermaids. From Ancient Greek legends to Medieval bestiaries, and even Egyptian hieroglyphics, the siren’s history is so much more complicated than you think.

While reported sightings of a mysterious creature in Loch Ness go back hundreds of years, it received little global recognition until the 1930s. Historical records, newspapers articles, blockbuster films, and advanced scientific technologies all play a role in this story. Watch this episode to find out what theories have been disproven—and what questions are still unanswered.

19th century London and the hunting ground of Spring-Heeled Jack. The fire-breathing, wall-leaping, claw-wielding devil attacked women in their homes and in the streets, terrorizing England for more than 50 years. Learn how Spring-Heeled Jack manifested the fears of the development of urban spaces and the upheaval of social classes and lifestyle changes city life afforded in the 1800s.

Before these stoney grotesques became monsters they were just water spouts. We still adorn our buildings with the carvings and sculptures of the frightening, funny, and exaggerated forms—but why? Learn all about the strange history of the gargoyle monster and how the power of imagination turned some odd looking architecture into a legendary creature.

In the first episode of our three-part special series, we explore the complex history of the zombie—from its origins in the spiritual beliefs of the African diaspora to the development of Vodou in Haiti. Learn how one of the most enduring monsters in popular culture evolved in the midst of slavery, racism and prejudice.

The second episode of our three-part special series looks at the Romero zombie. Considered the “godfather of zombies,” Romero’s 1968 film The Night of the Living Dead introduced the flesh-eating reanimated corpse to popular culture. Notably, the Romero zombie’s introduction during a time of great political and cultural unrest in America impacted how it was received—and why we still talk about it.

This final episode of our three-part series, brings us to the 21st-century zombie where the monstrous legacy of both the original Haiti zombi and the Romero ghoul play a role in the rebirth of public interest in the zombie. Explore how the effects of new global anxieties like terrorism, bioweapons, global warming and overpopulation have forever solidified the zombie narrative in global society.

This horse-like horror of Scottish folklore emerges from the sea bringing death and disease. With origins in Orcadian folklore this demonic creature was blamed for plagues, drought, and death in equal measure. This episode explores how the history of the Orkney Islands, the influence of Norse mythology, a real equine disease, and the kelp trade crafted a terrifying, skinless monster.

The pontianak, or kuntilanak, has long been a staple of Malay horror. In addition to serving as an allegory for the tension between traditional and modern cultural and spiritual practices, these monsters gave name to a real city. In this episode, you’ll learn how Islamic trade routes, animism, and the role of women in Southeast Asia contribute to stories of this notorious ghost.

A sky deity falling from the sky sounds bad, right? Not if it’s the Kasogonagá! From the mythology of the Toba peoples of South America, this god of lightning, thunder, and rain appears as a small, hairy anteater-like creature and needs a bit of human intervention to return to the skies.

One of the most beloved (and feared) figures in Russian and East Slavic folklore, Baba Yaga is more than just a witch. She’s a rumored cannibal who lives in a strange rotating house and flies around in a magical mortar and pestle--but she’s also a helpful grandmotherly figure. Who is Baba Yaga really? Pagan goddess? Evil witch? Scary old lady? Find out in this episode, which takes a look at traditional gender roles in Slavic history, pagan deities, burial practices of Neolithic Central Europe, and why this monstrous woman continues to endure.

African folklore dictates that unlike other werecreatures this monster is an animal that disguises itself in human form. By day it walks the earth nearly indistinguishable from humans, but at night it returns to its true hyena shape to defile graves and eat the flesh within. Most often associated with artisan trades like metalworking, weaving, and pottery, the werehyenas evil powers are said to be passed on from generation to generation. How did the werehyena become associated with certain trades? To answer that questions, we’ll take a look at Beta Israel, or Ethiopian Jews, who became commonly accused of taking the guise of this monster—and why prejudice contributes to monster lore.

While its face is scarce in popular culture today, this influential ancient monster from Chinese mythology predates the written word. Inspired by ancient bronze and jade iconography detailing the face of a bulging-eyed, gapping-mouthed beast, the Taotie creature is both mysterious and notorious, inspiring fear with its horrible gluttony. The greedy, insatiable appetite of the Taotie, one of the four “legendary monsters” or malevolences of Chinese mythology, is its defining trait—but why? Explore the many theories behind this beast as you dive into a mystery that has fascinated archeologists, historians, philosophers, and authors for thousands of years.

Leprechauns are associated with St. Patrick’s Day and Irish culture, but do you know why? The jovial, red-haired little man dressed in green standing next to a pot of gold is a modern invention—the diminutive faerie folk was once more popularly known for their role as tricksters and expert cobblers. In this episode, you’ll learn how ancient Irish mythology, Irish immigration, and some crafty marketing resulted in one of our most recognizable folkloric figures.

These elusive blue flames have been reported globally and inspired a wealth of folklore. But what exactly is a Will-o’-the-Wisp? Also commonly called “ignis fatuus” or “corpse-candle” the glowing atmospheric phenomenon has a reputation for causing mischief and even death. But are they really a supernatural phenomenon or something more worldly? Drawing on over six hundred years of literature and lore, and more than 300 years of scientific exploration, this episode presents the mesmerizing lights in all their blazing glory—from ancient legends to scientific rationalizations. And no, they aren’t glowing owls.

The Australian wilderness is a dangerous place—in part because it’s the rumored hunting ground of a vampiric creature who uses its fingers and toes to suck your blood. Fall prey to the Yara-ma-yha-who and you risk not only being swallowed whole but becoming a monster yourself. In this episode, you’ll learn about how Aboriginal communities’ deep connection to the land.

A venomous snake who can kill with its gaze alone, the basilisk has terrified us for thousands of years. But it also has another name—the cockatrice. That’s right, the reptile-chicken hybrid creature and the poisonous snake are actually the same monster. Find out how a real snake likely inspired tales of a mythological serpent in the 1st century CE that over time turned into a mythological beast.

An urban legend that exploits our fears of an obstructed gaze and the deeply unsettling idea that the youngest of our species are out to destroy us, the lore of Black-Eyed Children, or Black-Eyed Kids, is a modern construction. But the “evil spawn” child archetype of the horror genre and hundreds of years of social expectations of childhood inform these unsettling monsters.

There are fewer images of Death personified than the scythe-wielding skeletal form of the Grim Reaper. But where did it come from? You may have heard that this haunting figure emerged as a result of the Black Plague, but that’s only a fraction of the story. This episode looks at the long history of skeletal Death in religion, literature, art, and pop culture.

El Silbón: The Deadly Whistler of the Grasslands The "Terror of the Plain," this emaciated, whistling devil is cursed to wander the South American countryside carrying the bones of his victims. Intimately tied to the cattle ranching history of Latin America, the myth of El Silbón remains an active albeit terrifying part of folklore.

Swooping down from the heavens on a fire ball, the Kasha drags the bodies of the dead to the underworld for a life of damnation. Most frequently depicted as a demonic, flaming cat, the kanji for ‘Kasha’ actually translates to “Fire Cart". This episode explores the religious and artistic history of the Kasha and takes a look at the significant role of cats in Japanese culture.

Rumored to roam some of the world’s most desolate places the poisonous, killer death worm can trace its history in folklore back thousands of years. Made more famous and frightening with science fiction series like Dune and Tremors, killer worms are part of our cultural knowledge—but does any creature like them exist in the real world?

The first episode in this two-part series tackles the rise of the werewolf in its myriad of forms, looking at what happened when Christianity interceded and turned the werewolf into the embodiment of evil—a change that reached its devastating climax with the persecution and execution of accused werewolves.

The second installment in Monstrum’s werewolf series looks at the evolution of the werewolf through Gothic fantasy, horror films, literature, and video games, exploring the monster’s evolution into one of popular culture’s most malleable metaphors.

While modern imagination might have you picturing trolls as ugly, hairy, rather unintelligent creatures their ancient folkloric counterparts were magical, intelligent, wealthy creatures of all shapes and sizes. Defined by their status as outsiders as well and the threat of violence they represent, this episode takes you through the Nordic sagas, Medieval laws, and literary influences that contributed to the endurance of these malevolent and magical Scandinavian monsters.

Insects make up 80 percent of the world’s species, so it's not all that surprising we’ve occasionally made them into monsters in science fiction and horror. What is staggering is why the “big bug” subgenre took off in the 1950s. Find out how nuclear weapons, the suburbs, the Cold War, and the pest control industry all contributed to a beloved film subgenre in this episode featuring special footage from our friends at Deep Look.

You better watch out, you better not cry, and you certainly must behave—or else face the brutal beating of the Krampus. Why does this demonic, horned Yuletide monster exist? This episode looks at the historical origins of Krampus in the winter festivals of the Alpine region, challenging the false claim that this monster came from pagan tradition, and traces its renewed popularity across the globe.

The fairies of Celtic traditions trace their origin back to an ancient race of otherworldly royalty - the Tuatha Dé Danann. As fairy nobility, the Tuatha Dé Danann were alternatively seen as gods, monsters, demons, and even the real ancient inhabitants of Ireland. But where do the Tuatha Dé Danann come from, and how did they become the ancestors of Ireland’s fairies? The world is full of monsters, myths, and legends and Monstrum isn’t afraid to take a closer look. The show, hosted by Emily Zarka, Ph.D., takes us on a journey to discover a new monster in each new episode. Monstrum looks at humans' unique drive to create and shape monster mythology through oral storytelling, literature, and film and digs deep into the history of those mythologies.

For many of us, the firefly is a mystical, enchanting creature of the twilight. To the people of some West-African cultures, however, the firefly brings to mind a malevolent, shapeshifting, blood-sucking monster of lore: the Adze.

The Chinese dragon is one of the world’s most globally recognized monsters. Playing a major role throughout Chinese history, they were both creators and destroyers and controlled the elements. They've influenced everything from politics to religion—what is it about the Chinese Dragon that makes it such a central figure in Chinese culture?

Despite the extreme rarity of attacks on humans, Sharks have become perhaps the most widely feared animals on the planet. How did this happen? They're not naturally aggressive towards humans and kill fewer people each year than falling coconuts. So what gives?

The Griffin is a half-lion, half-eagle creature that is commonly seen adorning royal crests and perched menacingly atop buildings. Why is this ancient creature that many of us see every day largely forgotten?

Deep within the Amazon rainforest lurks a mysterious creature called the Mapinguari. Notoriously elusive, this cave-dwelling giant leaves a trail of broken trees and trampled ferns in its wake. Massive, hairy, and pungent, this beast protects the South American jungle from human threats.

Grey Aliens, sometimes called Zeta Reticulans, Roswell Greys, or just Grays, are defined by their humanoid forms, long limbs, large black eyes, small noses, thin mouths, and of course, gray skin or gray clothing. They are some of pop culture’s most recognizable representations of extraterrestrial life. But where did this depiction of extraterrestrials come from?

Hellhounds, the fearsome canine beasts of the underworld who often serve as guardians to the very gates of hell, pop up in a wide variety of cultural folklore throughout history. They're also fairly commonplace in the stories we tell in modern times (think Cujo, Ghostbusters, The Omen). Why is that? What can these legendary hounds teach us about the history of humanity’s relationship with dogs.

Lumbering through the countryside blasting its eerie messages from metal speakers perched atop a forty-foot wooden humanoid frame, Siren Head is a prime example of modern folklore born on the internet. Featuring insights from Siren Head's original creator Trevor Henderson, this episode looks at how social media contributes to horror in the 21st century.

For millennia humans have turned to plants to heal the sick and wounded, to ward against evil, and grant magical powers. But what happens when plants themselves become conscious, and turn killers?

A malevolent spirit lurks in the shadows of forests and the darkest mountains of the Philippines. Capable of adopting physical form, the most terrifying of which being a massive half-human, half-horse hybrid, the Filipino Tikbálang thrives on chaos.

Some monsters call to mind very specific images. Their iconic on-screen personas overshadow their earlier histories. I’m talking about: Frankenstein and his Creature, Dracula, the Invisible Man, the Wolf Man, the Mummy. Why is this? Universal Pictures. These famous Monster faces inspired decades of Halloween costumes, and make up a distinctive brand of horror that defined early Hollywood cinema.

Mummification was a sacred, transformative practice in Ancient Egypt - a ritual process that made one’s body and soul fit for existence in the afterlife. It begs the question: when and why did the Mummy become the popular movie monster that we are so familiar with today?

Across multiple mythologies, the term “mother of monsters” is used frequently on the likes of women such as Echidna, Lamia, and Angrboda. But in Mesopotamian mythology, the mother of monsters is Tiamat, who’s less of a woman, and more of an ocean, specifically, the source of all salt water. She also happens to be the mother of a lot of gods, which doesn’t do her any favors when the family reunion turns very violent.

Yuki-Onna, the icy snow maiden of Japanese lore, might steal your heart, or your life. This harsh winter monster is beautiful and dangerous, the incarnation of winter storms.

If you are unlucky enough to summon Bloody Mary, there’s no real standard of what you’ll see. By some accounts, she’s hideously mutilated but in others she is beautiful but bloody—more commonly though—every aspect of her appearance is vague. There’s even versions where she was a witch burned at the stake in Salem. In some legends, she’s connected to a cult. But where she comes from and what she looks like is less important than the ritual that summons her.

Unicorns are all over the place in popular culture these days - movies, TV shows, toys, clothing and books for children and adults alike. But you might be interested to learn that the majestic, all-white horse with a spiralized horn on its forehead is just one version of the many varieties of unicorn that have appeared in folklore throughout history.

Advances in technology are always met with some degree of technophobia—and villainization. And cyborgs represent a special kind of fear inherent in losing ourselves in the technologies we create.

Humans have domesticated animals as beasts of burden for thousands of years and the vital role horses play in the evolution of culture in particular has inspired countless equine folklore, but none are quite like the centaur.

What looks like a reptile-amphibian hybrid, has a dish shaped skull, smells like fish, is child-like and out to steal your crops and drown your livestock? The Japanese water yokai, Kappa.

As a kid, the monsters in Where the Wild Things Are were downright frightening. But thinking about the book as an adult, it’s clear there’s something deeper to this fantastically monstrous story.

In this episode, we explore the legacy of the monumental 1933 film, King Kong, its groundbreaking special effects, and the complex racial and colonial undertones that continue to shape our understanding of this timeless classic.

Many say that the waters of America’s northern coasts are home to an elusive sea serpent of legend. Named Caddy! Or Cadborosaurus, for long. Sightings and testimonials go back generations. Who is Caddy? And why are serpentine water creatures among humanity’s most prevalent monsters?

Ever felt like a place seems real yet oddly unsettling? Welcome to The Backrooms, a digital folklore phenomenon that blurs the lines between reality and fiction, exploring the eerie and uncanny through playful, yet terrifying, community-driven digital storytelling.