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5_fingers amy_rose angry anthro anus big_butt butt butt_slap dhx2kartz duo_focus echidna eulipotyphlan female fingers ghost green_eyes group hammer hedgehog hi_res huge_butt knuckles_the_echidna male mammal melee_weapon monotreme mostly_nude piko_piko_hammer presenting presenting_hindquarters sega signature simple_background slap sonic_the_hedgehog sonic_the_hedgehog_(series)spanking spirit tools weapon white_background