If humanity had to face an enormous doom-machine ShootemUp style final boss in space, this would be it.

A giant goat-skeleton-demon about to eat the earth.

The devil from outer space is going to feast with flesh of mortals

I assume this is some sort of chaos space marine wielding a bolter and some serrated survival knife. He probably worships khorne.

Ultra Lord! Defender of the universe

Space Marine with a thousand parsec stare.

Astro warrior on a chainsaw rampage.

natives charge a massive logging robot, that has cut down nearly all the trees on their planet

a giant forestry robot is being attacked by a crowd of angry protesters