Pokémon is a media franchise published and owned by the video game company Nintendo and created by Satoshi Tajiri in 1996. Originally released as a pair of interlink able Game Boy role-playing video games developed by Game Freak, Pokémon has since become the second most successful and lucrative video game-based media franchise in the world, behind only Nintendo's own Mario series. [From WikiPedia]
The last of the Game Boy Color Pokémon games, Pokémon Crystal
Pokémon Gold Version and Pokémon Silver Version continued to expand the Pokémon universe, adding 100 Pokémon, held items, and real-time events, thanks to an internal game clock.
The first enhanced sequel to a Pokémon RPG introduced a few gameplay elements, and incorporated the use of the Game Boy™ Printer.
This pair of games began the entire Pokémon revolution
The first of the Pokémon-themed pinball games, Pokémon Pinball took the fun and excitement of Pokémon™ Red Version and Pokémon™ Blue Version into an arcade-style setting. Pokémon Pinball was more innovative than a simple combination of two game genres. It also was one of the first games to use the system's rumble feature.