Pokémon Facts #81 If there were a Pokémon of all 17 types, it would only be weak to rock type moves. Pokémon Facts #82 Only three Pokémon evolve with a Thunderstone they are Pikachu, Eevee, and Eelektrik. Pokémon Facts #83 Tornadus is the only pure flying type Pokémon. Pokémon Facts #84