It's fun and easy to scare Mexicans. Make some helium ballons that look like witches. Put a small weight on the bottom. Release them over the cemetary when people are around. Point at them with your confederates and attract attention.
It's fun and easy to scare the locals.
In Brazil, folks have seen a skeleton riding a motorcycle by the cemetary:
Motorcycle riding skeleton
...or in a small town, a UFO actually landed and frightened these folks...
Finally...
Words of someone from another planet...
Funny!