Everyone has a travel hack that they’re more than willing to share. For instance, you should only pack the essentials and forget about bringing your fourth French horn on the plane. However, nobody ever teaches you how to deal with other passengers. Vacations are supposed to be fun and relaxing, but when you kick things off by being forced to sit next to an inconsiderate passenger, then things can go downhill pretty fast. Here are 50+ examples of plane passengers from hell that you’ll pray you never meet.

Someone’s Furry Little Friend
We’re totally on board with people bringing animals onto flights. Heck, that’s half the entertainment of boarding an airplane in the first place! However, we’re not exactly sure how to feel about someone bringing a monkey onboard and letting it roam free in the cabin.

Of course, this wouldn’t be a huge problem if this were Justin Bieber with his pet monkey, but we all know how that went down. Somehow, someone managed to bring a monkey on board, but they were at least nice enough to give it some pants. That said, maybe stick it in a cage the next time you catch a flight with your pet monkey, sir or madam.