FPS Doug is a character on the internet TV show Pure Pwnage which can be found at www.purepwnage.com. Doug plays mainly FPS (First Person Shooter) games such as Counter Strike and Call of Duty 2. Doug is well known for the "Boom Headshot" video he stared in.
Pure Pwnage is an internet TV show created by "ROFLMAO Productions" It basically follows the life of the self proclaimed gamer Jeremy. The show is mostly humorous, (however non gamers probably won't understand most of the jokes), but there are some more serious parts to the show.
At the time of writing this the show is on it's 10th episode and is due to release episode 11 in a few months time. The episodes can be freely downloaded from www.purepwnage.com.