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1:1 absurd_res anthro armpit_hair balls belly big_balls blush body_hair bowser bowser_day claws collar erection eyebrows feet genitals hair hi_res horn humanoid_genitalia humanoid_penis koopa male mario_bros musclegut muscular muscular_anthro nintendo nipple_piercing nipples open_mouth penis piercing red_hair scalie shell simple_background solo spiked_collar spiked_shell spikes spikes_(anatomy)tail teeth thick_thighs timberdonk vein