Family can be a tricky bunch. As much as they love and adore you, they can also seek to torture you. Some families have some pretty epic prank wars going on.

These are the families you have to watch your back around. You better not give them a spare key to your house. Or your car.

Leaving your phone around them… out of the question. Having to be so vigilant can be a lot of work. But it’s worth it when it comes to how hilarious some of these families are.

Here are 75 family members you need to watch your back with: