https://validator.w3.org/feed/docs/rss2.html Pikachu Poliwag Ponyta Nidoran ♂ Onix Pidgey Machop Magnemite Metapod Drowzee Gastly Koffing Caterpie Charmander Diglett Doduo Seel Wartortle Abra Bulbasaur Poliwhirl Porygon Raticate Machoke Magikarp Magmar Nidorino Jynx Kadabra Kakuna Ivysaur Dratini Farfetch’d Growlithe Haunter Pidgeotto Arcanine Charmeleon Dewgong Dugtrio Electabuzz Electrode Venusaur Zapdos Beedrill Dragonair Ninetales Poliwrath Raichu Machamp