https://www.denofgeek.com/movies/17-moments-of-movie-terror-in-the-bathroom
Monsters and creatures in the bathroom have become an occasionally familiar scene in various horror-movies.
https://flashbak.com/theyll-get-you-in-the-end-toilet-terror-in-horror-movies-22570
But sometimes there really is something waiting for you in the toilet.
https://people.com/pets/florida-man-finds-iguana-in-bathroom-toilet
Not as bad as finding a snake in the toilet, but it would still be quite a shock.
https://miami.cbslocal.com/2021/08/02/only-in-florida-iguana-toilet-hollywood
If someone is constipated, the shit lizard will quickly get things moving!
https://fusionanomaly.net/toilets.html