German Shepherd, Dogmeat, non-synth, loyal companion, Fallout series, post-apocalyptic setting, scavenging, ruins, brown and black fur, leather collar, canine teeth, alert stance, dynamic pose, rubble, broken buildings, soft ambient light, overcast sky, 3/4 view, detailed texture, realistic fur, worn metal, rust, immersive atmosphere, desolate landscape, survival theme.