Face swapping has been around in one form or another for a while. There’s an option withinSnapchatthat lets you snap a photo while swapping your face with a friend or family member who’s also in the same image, but there are other apps designed to do it too.

These apps are incredibly popular because they’re often hilarious, terrible, terrifying or just downright daft.

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To bring you the chortles and perhaps inspire you to get face swapping yourself, we’ve collected a gallery of our favourites for you to enjoy.

This stubborn little old lady baby is refusing to eat her yoghurt. Hopefully, a little encouragement from an oversized baby head will help ease things along.

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Hey dollface

Face swapping with dolls is a strong favourite among the more adventurous of us.

The results of which leaves us wide-eyed and worried we’re going to have some fairly weird dreams once bedtime comes around.

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Keep your nose out of it

Nostrils for a face. Lovely.

Sometimes the intelligence in these face-swapping apps is terribly bad at picking up what should logically be a face and what should be swapped.

The results are often gruesome and horrific, but no doubt amusing too.

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You’re hilarious!

This little baby certainly finds his granddad hilarious or maybe it’s surprised? Or both?

Who knows, either way, this face-swapping has resulted in a fair amount of chortles.

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Double duck face

There’s so much to love about this face swap. The double duck face is the best. But the small grumpy baby is also amazing.

Another classic father-son face swap that just brings all the joy.

A ventriloquist’s dream?

We’re not sure whether we’re amused or scared by this one. But ventriloquists might love the idea of their puppet come to life.

Is this the sort of thing ventriloquists daydream about? Having a real boy you can control that doesn’t argue back or ever grow up? We’re not sure whether we’re amused or scared by this one.

Feline face

Sure the cat is quite cute, but dear lord, that little girl is terrifying. She looks like some sort of angry baby vampire or creature from the deep dark forests of Mordor. Yikes.

Baby-faced world

Grown-up people with perfectly hilarious baby faces. What’s not to love?

Images like this make us wonder if the world would be a better place if everyone was this baby-faced. It would certainly be a lot cuter. It also makes us thinks that babies wearing make-up is a weird sight indeed.

Thomas the tank engine

When face swap apps transform something inanimate into what looks like a real person, the results are often comical. Even more so when the person in the photo gets the opposite treatment.

Turns out Thomas the tank engine’s face is fairly terrifying on a small boy.

Happy little chappy

Another father-son classic face swap.

We love how both of them are super happy in this image. The results are also surprisingly convincing, which isn’t always the case, but when it comes off it’s even more amazing.