rule 34 alien ambiguous gender anthro armor arthropod balls black body black exoskeleton bodily fluids bullet burping canid canine canis combat robot factorio conveyor belt dialogue engineer engineer factorio exoskeleton factorio feral fur genitals grass grey body grey exoskeleton group hard hat harrys artist headgear helmet insects machine male mammal plant purple body purple exoskeleton red body red fur robert bobingabout robot spitter factorio sweat sweatdrop turret video games vore wolf 4726676