2_penises animal_genitalia animal_penis anus arachnid ariados arthropod butt canid canine canine_penis cloaca eeveelution feral gaping generation_2_pokemon generation_4_pokemon generation_5_pokemon genitals group hemipenes hi_res horizontal_diphallism knot leafeon male mammal multi_genitalia multi_penis nintendo penis pokemon pokemon_(species) presenting presenting_anus presenting_hindquarters serpentine serperior video_games vulnec