After the camera was invented, many people took to taking photos, with those who were more creative dressing up their animals like people.
Another trend was to alter the photo, making the subject look as though he or she was headless, with startlingly creepy results.
What makes this even more interesting was that is was done before Photoshop was invented.
Scroll down to view some more photos of this weird and wacky trend.
[via io9]