Generation I/Comparison/Kanto Thematic Motif

The first generation of Pokémon games dealt with genetics and engineering. The three starters, (dinosaur-plant hybrid),  (salamander), and  (turtle), are all reptilian in nature, and take some elements from the dinosaurs. Dinosaurs are reptiles, and were one of the most successful groups of animals to exist. Bulbasaur, the most similar to dinosaurs of the three, is the first listed in the Pokédex. Other Pokémon in the generation continue this theme. is capable of evolving into multiple forms due to its unstable DNA; is the result of a Poké Ball experiment gone awry;  is a virtual reality Pokémon. These games also introduce three Fossils, the most introduced in any generation, which can be resurrected into prehistoric Pokémon:, and. Finally, out of the five legendaries that appeared, the most powerful was man-made through genetic engineering:. The uncatchable legendary,, also has the DNA of every Pokémon in existence.

Bill himself invented the sophisticated PC used in most regions and accidentally turned himself into a Pokémon. could also mimic the abilities and structure of any Pokémon it encountered, making it capable of breeding with most Pokémon from Generation II and onwards. The Master Ball is the most powerful Poké Ball in the franchise, and was first engineered by Kanto scientists. With this generation being the very foundation of the Pokémon franchise, most successors have only expanded upon Kanto's basics.