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4:5 abs bald barefoot biceps big_muscles blood bodily_fluids bottomwear brown_body brown_skin bulge charger_(left_4_dead)clothed clothing feet fist flexing footwear green_background green_flu_mutant_(left_4_dead)grin hairless hi_res huge_muscles huge_thighs human humanoid hyper hyper_muscles left_4_dead_(series)leggings legwear looking_at_viewer male mammal monster monstrous_humanoid multicolored_body multicolored_skin muscular muscular_arms muscular_legs muscular_male nipples nosebleed noseless not_furry overalls pants pecs pose raised_arm red_eyes remert shoes simple_background smile solo straps sweat tan_body tan_skin teeth thick_thighs topless torn_bottomwear torn_clothing torn_pants undead valve valve_corporation zombie