doppelganger

Since your doppelgänger was twice as fast as you, that meant they must have moved twice as far in some direction.

On the other side of the lamppost, the same distance away, there was a doppelgänger, who was obscured by the lamppost and who moved precisely twice as fast as you at all times.

Feeling outmaneuvered, you suspect that your doppelgänger moves precisely twice as fast as you at all times.

Still no sign of the speedy doppelgänger, who is assuredly still obscured by the lamppost.

You can’t be sure, but you briefly spot a doppelgänger on the other side of the lamppost, the same distance away.

So she embarked on a quest to find her Palestinian doppelganger.

He says the character of Matt is, in a way, his doppelganger.

And of course there was her more glamorous doppelganger—Sarah Palin, the “silver-medalist in the 2008 vice-presidential race.”

Bogosian talked to The Daily Beast about his dark Rothian doppelganger.

Mr. Westfall began to watch for Louise and to trot after her like a doppelganger.