They thought they were doing the right thing, but this is why you may not want to invite all of the stray animals from the neighborhood into your house.
And now the Internet will implode with cuteness.
This is Ralphee the kitten.
Ralphee has some kind of condition that, basically, makes him resemble a living, breathing bobblehead.
You're probably thinking, oh cats catch mice all the time. Well probably true, but my cat doesn't have any front claws, so I never imagined that she would be able to catch a mouse.