this is a list of all the frog/toad type pokemons -
Venusaur line
Swampert line
Seismitoad line
Greninja line
Toxicroak line
Poliwrath and Politoad line
Foot fetish is not that rare, although you prefer it in anime/hentai/doujinshi and fanarts, feet besides them need to be well taken care of or you won't feel sexually aroused.