Blake Flynn was one of two brothers in charge of the Wicked Shipping company, a small trucking outfit operating in the greater Boston area. Running discreet, fast deliveries for corporate giants, the brothers made the mistake of tangling with Eddie Winter, forced to short their deliveries and forge paperwork - unless they preferred waking up at the bottom of the Charles River. Tim implored Blake to cut ties, cash in, and get out of dodge before Winter rubbed them both out. This however was taken too little too late, on October 23rd, 2077 one of Winter's associates assassinated the pair from the roof skylight of their main warehouse. The radiation from the Great War killing the assassin, leaving the scene as it lie for the next two centuries.
Blake Flynn is mentioned only in Fallout 4.