Rule 34 Dev - 1boy 2020 4_fingers anthro armband armlet balls ballsack belly bowser bracelet bruteandbrawn claws dangling_testicles detailed detailed_background digital_media_(artwork) fingers foreskin front_view fungus genitals green_head green_shell grey_background horns humanoid_genitalia humanoid_penis intact jewelry koopa looking_at_viewer low_hanging_balls male male_only mario_(series) masculine mature_male musclegut muscles muscular_anthro muscular_male mushroom nintendo nude_male open_mouth outside overweight overweight_anthro partially_retracted_foreskin penis pose red_hair scales scalie scrotum semi-erect shell simple_background solo spiked_armband spiked_shell spiked_tail spikes spikes_(anatomy) standing super_mario_bros. teeth testicles tongue uncut vein veiny_penis video_games watermark yellow_body yellow_scales|4564904560