Decorating children's wards with paintings of clowns to create a nurturing atmosphere could backfire, researchg suggests.
Why do children (and a lot of adults) find clowns scary?
There is a detailed analysis of coulrophobia at:
Speaking of clowns as villains also raises the matter of serial killer John Wayne Gacy.
Some of Gacy’s works:
Many of the works are even more bizarre and not going to be posted here.
" To me, clowns aren't funny. In fact, they're kind of scary. I've wondered where this started and I think it goes back to the time that I went to thye circus, and a clown killed my dad."