Anyone who's played Doom the video game remembers the BFD, it looked heavy and packed a hell of a punch. The people over at ZaziNombies LEGO Creations Youtube channel recreated the BFD out of Lego.
With over 5000+ pieces of Lego and weighing around 20 pounds, This thing really is "The BFD". Check out the video and see what it's all about.