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2016 anthro armband biceps bowser brick brick_wall bulge collar collar_only featureless_crotch hair hands_behind_head horn koopa looking_at_viewer male mario_bros musclegut muscular muscular_anthro muscular_male nintendo nude overweight overweight_anthro overweight_male patreon patreon_logo pecs primodrago red_eyes red_hair scalie signature smile solo spiked_armband spiked_collar spikes standing wall_(structure)