[1] In these games and their sequels, the player assumes the role of a Trainer whose goal is to capture and use the creatures' special abilities to combat other Pokémon.
Some Pokémon can transform into stronger species through a process called evolution via various means, such as exposure to specific items.
[2] The designs of each Pokémon started as pixel art sprites by the development team first, with a single color identity chosen to work within the Super Game Boy hardware limitations.
[6] While conceived as a group effort by multiple developers at Game Freak,[6] the finalized designs and artworks were done by Ken Sugimori.
[6][4] The majority of Pokémon in generation I had relatively simple designs and were similar to real-life creatures including Pidgey (a pigeon), Krabby (a crab), Rattata (a rat), and Ekans (a snake).
[9][10] Overseen by translator Nob Ogasawara, he voiced concern over some of the choices presented, specifically "Barrierd", which was renamed to "Mr.