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2020 anthro anus backsack balls big_butt bitebox64 blue_hair bracelet butt claws dragon_koopa facial_hair fangs frown genitals goatee hair hi_res jewelry koopa koopaling looking_at_viewer looking_back ludwig_von_koopa male mario_bros nintendo nude perineum presenting presenting_anus presenting_balls presenting_hindquarters rear_view scalie solo spiked_bracelet spikes spread_butt spreading teeth