doppelginger 

What you call one red-headed, freckled person that looks exactly like another red-headed, freckled person that you know. These people are often mistaken for each other, and hilarity ensues. Everyone in Ireland has at least three of these.

Normal Friend: Hey man, you didn't wave at me when I saw you on the street!
Ginger Friend: I don't think that was me...You must have seen my doppelginger.

doppelginger by Mekhallama February 12, 2013

Mental-Doppelgänger 

Two people who do not look alike but are the same person.

Mental-doppelgängers share extremely long list of things in common, including weirdly random things and being able to finish each other’s sentences perfectly

Mental-Doppelgänger by JT9878 January 21, 2019

Dogpelganger 

A dog bearing a striking resemblance to its owner.

Dog Enthusiast: Risi and her dog are spitting images of one another.
Cool Dude: I know. That thing's her dogpelganger.

Dogpelganger by Blarbigian December 28, 2012

Doppelwanger 

Another guy's penis that looks just like yours.

My girlfriend told me my dick is a doppelwanger of her ex's.

Doppelwanger by Tbonerstalloner June 13, 2017

Doppleganger

Another person that is exactly like you, that isn't you.

Touching your doppleganger may cause the end of the universe

Doppleganger by Diego November 20, 2003

doppelbanger 

A person working in the adult entertainment industry who looks eerily similar to someone else.

The Kim Kardashian of 2005 is barely a doppelbanger of Kim Kardashian of 2010.

doppelbanger by CammieB December 13, 2010

doppelgänger 

It's the guy to blame when the Fed's come knocking on your door.

A body double or look-alike.

A vision of one's self out of the corner of your eye.

I heard her say, "Now that's one good looking doppelgänger."

In folklore it's a harbinger of back luck:

a) When you see your own doppelgänger, it's an omen of death.

b) When you see a relative's or friend's doppelgänger it could mean illness or bad luck for him/her.
German origin: 2 words a)Doppel- double b)Gänger- walk or walker

Zooey Deschanel's doppelgänger would be Katy Perry or vise versa.
True story:
In a dream or vision Abraham Lincoln looked in a mirror and saw two reflections of himself. One paler then the other.
This doppelgänger was an omen that he would not survive his second term in office.

doppelgänger by skulkadin September 26, 2013