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1:1 anthro arm_hair armpit_hair big_muscles big_pecs blush body_hair bottomwear bottomwear_down bowser brown_hair butt chest_hair chest_tuft clothed clothing duo english_text eu_sou_infinito fangs genitals green_body hair hairy heart_symbol hi_res horn huge_pecs human human_on_anthro imminent_sex interspecies koopa larger_anthro larger_male luigi male male/male mammal mario_bros multicolored_body musclegut muscular muscular_anthro muscular_male nintendo nipples nude pants pants_down partially_clothed pecs penis presenting pubes red_hair scalie sharp_teeth shell signature size_difference smaller_human smaller_male spiked_shell spikes spikes_(anatomy)teeth text tuft undressing yellow_body