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Picture this: a pale, bug-eyed face with a twisted smile, stringy black hair, and a rigid, birdlike body stares out from your phone screen. That image—the “Momo” sculpture—became the centerpiece of what would become one of the most infamous internet hoaxes of the 2010s: the so-called Momo Challenge. Before most people heard about the story, just seeing the photo was enough to send a chill down your spine. But as the story spread, it was the idea behind the image, not the image itself, that captured—and terrified—millions.
People first discovered the Momo story in 2018, when reports began surfacing online claiming that children as young as seven were being encouraged, through WhatsApp messages, to harm themselves or even take their own lives. According to the viral narrative, the challenge worked like this: children would receive messages from an unknown WhatsApp account featuring the now-infamous Momo avatar. The messages reportedly contained threats, dares, or instructions, each more disturbing than the last, escalating dangerously if the recipient didn’t comply. Parents were told these messages could pop up without warning—sometimes even hidden in popular YouTube videos aimed at kids.
The facts behind the Momo Challenge, though, unfolded very differently from the viral warnings. The image at the center of the story was not created for any sinister purpose. It was a sculpture called “Mother Bird,” made by Japanese artist Keisuke Aisawa for an art exhibit at the Vanilla Gallery in Tokyo. The sculpture, constructed from latex, paint, and human hair, stood about three feet tall—roughly the size of a small child. Long before the Momo Challenge stories, the sculpture had been exhibited as part of a show on Japanese ghost stories.
The first known use of the Momo image online can be traced back to 2016, two years before the viral panic. But the hoax exploded in July 2018, after a post on a Buenos Aires news site claimed a 12-year-old girl had died by suicide and linked her death to the Momo Challenge. This report was picked up by other news outlets, and soon the story spread across Latin America, the United States, and Europe. The reports followed a familiar pattern: local news would warn parents about a new online threat, often citing police advice or anonymous sources, and always pointing back to the same image and the same alleged WhatsApp account.
From there, the story went viral on social media and through word of mouth. In August 2018, police in the United Kingdom issued an official warning about the Momo Challenge—a move that actually caused search interest in the term “Momo” to spike by more than 450% in just a few days. In March 2019, a Facebook post by Kim Kardashian West, who had over 140 million followers at the time, warned parents about the supposed threat, amplifying the panic overnight. Schools, police departments, and even TV news anchors began issuing urgent warnings, sometimes citing examples of children self-harming or even taking their own lives as a result of the challenge.
Charities like the UK’s National Society for the Prevention of Cruelty to Children and the Samaritans quickly stepped in to clarify that there was no evidence the challenge was real. The NSPCC stated that they had received zero verified reports of children being harmed due to the Momo Challenge. The Samaritans pointed out that the panic was likely causing more harm than the supposed challenge itself, by spreading anxiety and misinformation. In the United States, the National Center for Missing and Exploited Children similarly found no evidence linking the Momo Challenge to any actual incidents of self-harm.
The main theory behind how the Momo Challenge took off is that it was a classic case of a moral panic fueled by social media amplification. As parents, teachers, and authorities tried to protect children from an online threat, they ended up spreading the story even further. Psychologists and internet safety experts have pointed out that when adults issue warnings about a supposed danger, especially with a disturbing image attached, children and teens are more likely to seek it out online. This feedback loop created a viral phenomenon with real-world consequences—school assemblies, heightened anxiety, and even blocked access to certain sites at home and in classrooms.
Another key theory is that the story was sustained by hoaxers and trolls who, after seeing the media coverage, deliberately impersonated “Momo” online to scare people. In some reported cases, children did receive creepy messages on WhatsApp, but these were traced back to pranksters exploiting the viral panic for attention. Evidence suggests that the actual number of these incidents was extremely low—fewer than a dozen verified cases have ever been documented globally, and none were found to escalate to real harm.
Meanwhile, YouTube quickly became a central battleground for the hoax. Viral posts claimed that Momo was “hacked” into children’s videos, such as Peppa Pig or Fortnite streams, instructing children to self-harm in the middle of innocent content. YouTube responded by stating publicly that it had found no evidence of Momo being inserted into such videos, and urged viewers to flag any actual harmful content they saw. Despite these reassurances, the rumor persisted, and search traffic for “Momo Challenge” videos peaked at over 10 million views in a single week during March 2019.
The story’s reach was amplified by the fact that authorities—including local police, school districts, and government officials—issued more than 100 public warnings within the first three months of the panic. Media outlets from The New York Times to the BBC published articles on the hoax, sometimes debunking it, sometimes unintentionally giving it new life. This cycle of coverage meant that even as experts tried to calm fears, the Momo Challenge became the subject of urban legend, playground gossip, and internet memes.
What remains unresolved is why the Momo Challenge struck such a nerve when similar hoaxes in the past have faded more quietly. The Blue Whale Challenge, which surfaced a year earlier, followed a near-identical pattern—alleged online dares, warnings from authorities, and no actual evidence of harm. But Momo’s grotesque, instantly recognizable face, combined with the viral mechanics of WhatsApp, YouTube, and Facebook, gave the story an unusual staying power.
A final unanswered question hangs in the air: despite conclusive statements from charities, law enforcement, and tech companies, why do so many people still remember Momo as a genuine threat? As the image circulates in new hoax formats and horror stories, the line between fact and fiction on the internet only gets blurrier. And that, more than anything, is what makes the Momo Challenge a mystery that refuses to die.