TikTok user swole_dds issued a challenge to the internet, asking people to make a video of themselves in search of their doppelganger, and once they have found them, to mash the two videos into one. And here's a list.

TikTok user swole_dds issued a challenge to the internet, asking people to make a video of themselves in search of their doppelganger, and once they have found them, to mash the...