Half-Life 2's face models include a legendary DJ and an actual dead body
It's no secret that Valve scanned the faces of real people to use as 3D meshes for characters in Half-Life 2. Most of them are credited in the "Thanks to the following for the use of their faces" section of the credits in Half-Life 2 and its follow-up episodes. Thanks to Source Filmmaker and Garry's Mod, many of them have enjoyed a memetic life beyond the Half-Life series too, with even the background citizens of City 17 developing followings in the SFM community...
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