A bit of a cut 'n' paste job. Just trying to make him look a bit cooler in the single player game. Putting a frown on him works wonders and there's a hint of Mad Max to the thing. Download it here.
Just copy the pk3 file into your GameData\base directory to use. It just replaces some of the textures the default Kyle model uses. Not really intended for multiplayer. To remove, just delete the file or move it out of the base folder.