It's a quantum-mechanical superposition of states.
Whatever you do, don't observe them, or one has to disappear.
Sneaky doppelganger. One of them is from the Mirror World.

IRL item duplication glitch. 😂 #gaming
Did a Duck on Banach and Tarski. Stefan Banach and Alfred Tarski were two guys with too much spare time on their hands.
A glitch in the matrix.
Also - a good cat owner would have spotted, that they look a little different.
The white from the throat goes through to the white of the belly at the left one, but not at the right one.
@cmconseils When I was a kid we lived out in farm country. Our housecats were males, but local barns had plenty of females. Sometimes they'd go outside and just cat around for a week or two, but eventually they'd return.
My mom later told us she'd found our missing cat dead by the side of the road and buried it, only to arrive at home to find the cat wanting supper. This happened *multiple* times!