Conner Mather
Conner pretends to be a NPC (Non Playable Character) from a computer game. His rigid walking and limited gestures and speech are hilarious. His content is mainly under 1 minute long to qualify as a Youtube short.
Kommander Karl
I recently discovered Kommander Karl. He mainly does gun reload videos. He pretends household objects are guns in first-person-shooter computer games, and reloads them, often with the help of some great video editing and fancy effects. Here are some of my favourites so far:
Stranger Coding Tings 