Face swaps mean you never have to wonder, "What would my weird adult face look like on a baby?" A couple taps of the smartphone — or Photoshop, if you're fancy — and you look ready for the playpen.
Don't limit your face-swapping fun to fellow humans, though. Boring.
See also: 18 Drawings You'll Swear Are Actual Photographs
Sometimes, the best transformations happen with objects you wouldn't expect. Thanks to the weirdness of Imgur users, we are blessed with 14 mug switcheroos that might hurt your eyeballs.
Image: Imgur, adorkisawhalepenis