Blastoise, known as Kamex in Japan, is a Pokémon species in Nintendo and Game Freak's Pokémon media franchise. A blue, tortoise-based Pokémon, it is the evolved form of Wartortle and the final evolution of Squirtle. First introduced in the video games Pokémon Red and Blue, it is one of three final evolutions of the first Pokémon players can choose from, alongside Venusaur and Charizard. and is featured on the box art of Pokémon Blue. Since Blastoise's debut, it has appeared in multiple games including Pokémon Go and the Pokémon Trading Card Game, as well as various merchandise. It was among the most popular Pokémon action figures as of September 2000, and a Blastoise card was among the most valuable in the Trading Card Game.