Marc-Andre Deslongchamps

Marc-Andre Deslongchamps is the creator of Grim Reaper's Sprint, a perk first appearing

Background
Deslongchamps was the winner of the Fallout 10th Anniversary Contest. The contest was held in 2007, where the public submitted ideas for perks, with the chosen perk added to the game. Deslongchamps is listed in the credits for Fallout 3.