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2021 anthro anus balls big_tail biped black_body black_fur black_nose blue_background blue_body blue_ears blue_fur blue_tail butt claws fingers fur generation_4_pokemon genitals half-closed_eyes hi_res looking_at_viewer looking_back lucario male narrowed_eyes nintendo not_a_furfag pattern_background pokemon pokemon_(species)red_eyes simple_background solo spikes standing striped_background tail teeth tongue tongue_out yellow_body