These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
The mutants in general, the buzzsaw-throwing one in particular. Later in the game, the living turrets, with two heads, horrible screams and brains sticking out of their bodies, leading to the supposition that each of them is two or more people horribly fused and mutated together.