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2022 ambiguous_gender anthro back_muscles between_buttocks big_muscles biped black_nose blake_(juano)butt canid canine canis clothed clothing collar dobermann domestic_dog duo flexing flexing_bicep flexing_both_biceps flexing_muscles green_eyes hi_res huge_muscles inside_clothing juano leg_muscles looking_back macro male male/ambiguous mammal micro multicolored_body muscular muscular_anthro muscular_male pinscher pointy_ears presenting presenting_hindquarters prick_ears raised_tail rear_view short_tail simple_background size_difference spiked_collar spikes stuck tail thong topless trapped trapped_in_butt trapped_in_clothing trapped_in_underwear two_tone_body underwear