Why People Are Afraid of Clowns: History, Psychology, and Pop Culture from Pagliacci to “Terrifier”

Adult entertainment, not kids’ fare: what the circus looked like in the 19th century

A clown wasn’t always “the lady with a balloon.” In the 19th century, the circus was aimed mainly at adults: loud, rough, and often associated with alcohol, gambling, and questionable morals. Historians note that provocative humor and satire that pushed the boundaries of the day’s propriety were part of the draw. Some states even restricted circuses by law, while impresarios tried to balance “licentiousness” with pressure from the church and the public.

Dan Rice and political satire in the ring

The star of the era was the American clown Dan Rice—popular in part for his parodies and political commentary. His performances showed that a clown could be as much a social commentator as a comic.

“Cleaning up” the brand: when the clown became family entertainment

By the late 19th century, the circus professionalized, grew, and targeted a broader audience. Some big shows deliberately distinguished themselves from the “old school”: gambling and alcohol were no longer tolerated on the circus grounds, and entertainment was shaped for families. The shift in audience also changed clowning’s style: fewer bawdy jokes, more situational humor, gags, and physical comedy.

From the ring to the screen

In the 20th century, clowns also moved to screens and into advertising. An iconic example is Ronald McDonald (first appearing in 1963), who for a long time embodied the “kid-friendly” face of fast-food marketing—until later rebrands and debates about his (non-)presence in campaigns.

The hospital clown: entertainment and intervention

Since the 1980s, “medical clowning” programs have emerged, in which trained clowns work with pediatric patients. Research and reviews over recent years repeatedly find reduced anxiety and stress and better cooperation from children during procedures.

Why clowns scare us: what psychology says

Fear of clowns (coulrophobia) is complex—it isn’t an “official diagnosis” in the DSM, but research suggests a significant share of the population experiences it. More recent studies explain the roots of this fear as a combination of factors: an “almost-but-not-quite human” look (the uncanny valley), hard-to-read facial expressions hidden under makeup, clearly accentuated “threat” cues (teeth, red coloring), unpredictability of behavior, and the strong influence of pop culture.

“Kids don’t like clowns”—myth or reality?

In 2008, the media circulated a report from a UK university suggesting that clown-themed decorations in hospitals make children more uneasy than calm. While it doesn’t say anything about all clowns in all situations, it was an important signal for healthcare design practice: not every “cheerful” motif works.

Pop culture: from Pagliacci to Pennywise and Art

The opera Pagliacci (1892) gave the world a jealous clown-murderer, and modern pop culture ran with it: the Joker, poltergeist dolls, and Pennywise from It regularly pull clowns back into a darker register. In recent years, the extreme-horror franchise Terrifier has amplified the trend—around the second film, media outlets collected accounts of people walking out of theaters, faintness, or vomiting.

Real-world evil: Gacy and the “evil clown” beyond the screen

The case that definitively hardened the stereotype was that of serial killer John Wayne Gacy, who performed as a volunteer clown named Pogo and was convicted of murdering 33 boys and young men. It’s an extreme but media-powerful example that has shaped the collective imagination for decades.

Clowns today: fewer headlines ≠ the end of the craft

Even as the “big circus” changes in Europe and the US and clowns may seem like a relic from the outside, their role is transforming rather than disappearing: from theater and festivals to horror films to healthcare programs. Meta-analyses in recent years confirm that therapeutic clowning in pediatrics has measurable benefits for anxiety, stress, and a child’s cooperation—even in a context where part of the public views clowns as “creepy.”

What this means for parents and audiences

• Context matters: a clown in a sterile waiting room can feel different than one in a prepared therapeutic setting.
• Clear facial expressiveness and well-defined behavioral boundaries reduce the “uncertainty of intent” associated with fear.
• Hospital clown programs are most beneficial when they are specialized and coordinated with the hospital team.

---

Sources

1. Smithsonian Magazine – The History and Psychology of Clowns Being Scary – https://www.smithsonianmag.com/arts-culture/the-history-and-psychology-of-clowns-being-scary-20394516/
2. Frontiers in Psychology (2023) – Fear of clowns: An investigation into the aetiology of coulrophobia – https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2023.1109466/full
3. Reuters (2008) – Sorry Coco — children hate clowns – https://www.reuters.com/article/lifestyle/sorry-coco-children-hate-clowns-idUSL15824096/
4. Entertainment Weekly (2022) – “Terrifier 2” director reacts to reports… – https://ew.com/movies/terrifier-2-fainting-vomiting-art-the-clown/
5. The Guardian (2016) – The great clown panic of 2016 – https://www.theguardian.com/culture/2016/oct/31/the-great-clown-panic-of-2016-a-volatile-mix-of-fear-and-contagion
6. Encyclopedia.com – Circuses (Ringling and “Sunday School” shows; pivot to family audiences) – https://www.encyclopedia.com/humanities/encyclopedias-almanacs-transcripts-and-maps/circuses
7. NEH – The Circus You Never Knew (the 19th-century circus as “adult” entertainment) – https://www.neh.gov/humanities/2011/septemberoctober/statement/the-circus-you-never-knew
8. University of South Carolina – The creepy clown originated in the crass and bawdy circus… – https://sc.edu/uofsc/posts/2022/10/conversation_clowns.php
9. Britannica – John Wayne Gacy – https://www.britannica.com/biography/John-Wayne-Gacy
10. PubMed (2016) – Therapeutic clowns in pediatrics: a systematic review and meta-analysis – https://pubmed.ncbi.nlm.nih.gov/27605131/
11. PLOS ONE (2024) – Application of clown care in hospitalized children: A scoping review – https://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0313841
12. TIME (2014) – America’s Most Terrifying Mascot Is Getting a Total Makeover (Ronald McDonald, history and rebrand) – https://time.com/76359/americas-most-terrifying-mascot-is-getting-a-total-makeover/