Rule 34 Dev - anatomically_correct_genitalia animal_genitalia animal_penis breasts echidna eyelashes foreskin futanari herm intersex male mammal monochrome monophallia monotreme multi_penis nipples penis pussy shade_the_echidna smile sonic_(series) tc tetraphallia tikal_the_echidna uncircumcised uncut unretracted_foreskin|2839021624