Yes.
I have one.

I am an American Indian. And many people in my tribe talk about the skinwalkers.
These stories go back as far as anyone can remember.
These are creatures which can change their forms into anything.
But what they like to do most..is to imitate humans..in order to trick unsuspecting people.
White men talk about big foot, or black monster dogs, or mothmen. When we Indians have known for centuries that these things are simply the..skinwalkers.

My grandfather spoke of a time when he lived up in the mountains. They owned a small farm back then which was very
rural and deep near the woods.
He and my grandmother would sit out on the porch of their home each evening after dinner to watch the sunset until it was dark.
Their dogs would scout around the house and near the woods, as they enjoyed their evening outside.
One night as they sat there, the dogs grew anxious and began to growl, making low gutteral sounds.
My grandfather was used to the country life, and was well prepared for any wild animal that might wander up to the house. He kept his rifle by his side.
He called out to the dogs to come to his side. But he said they would not stop growling. One of the dogs even broke out into a long, deep howl, as if it was afraid.
He called the dogs again, and still they would not come to him. And then he notice the dogs backing up, though still growling, as they moved closer to the safety of the house. My grandfather instinctively realized that something was venturing closer to the farm house. So he readied his rifle just in case. And then he heard it. He said it sounded like a high pitch shriek coming from the edge of the woods. He said in all his 65 years, he knew of no animal that could make such a sound. It was not animal and it was not human.
He, my grandmother and his dogs rushed into the house and locked the doors and windows behind them. They turned off the lights in the house and watched outside the window.
And they saw it. The skinwalker. It stood at least ten feet in height with outstretched wings. My grandfather said even in the dark, he could see it's large glowing eyes. They burned red.
This thing flew towards the house and repeatedly banged on the door several times, attempting to get in. The dogs inside the house were now whimpering with fear. My grandfather raised his gun ready to shoot at the skinwalker right through the window. When it suddenly turned around, folding its wings under itself. Then changing its appearance, it fell to the ground on all fours and ran off into the woods.