There have been a few generations of Pokémon since the beginning. Generation 1 includes 151 Pokémon with familiar faces like Bulbasaur, Charmander, and Pikachu.

Jessie and James are a brother and sister duo who constantly try to steal Pokémon from Ash and others. Their team is finished off by their Pokémon, Meowth.

Ash Ketchum is from Pallet Town. At the beginning of his adventure, he starts here and chooses his Pokémon from Professor Oak.

Ash's rival throughout the series is Gary Oak. They're from the same town and because Ash woke up late, Gary got his first choice of Pokémon which was a Squirtle.

Mewtwo was created by Dr. Fuji. He made the Pokémon with the sole intention of it becoming the strongest one of all time.

While Snorlax likes to sleep, Jigglypuff can easily put its listeners to sleep with its voice.

Misty is a water Pokémon trainer in Cerulean City. She often uses her Pokémon Starmie in battles.

Brock is a trainer that Ash meets along his way. Brock is known for using rock Pokémon like his go-to Onyx.

Pikachu is the first Pokémon that Ash gets when he goes to his town's trainer, but the first Pokémon he captures on his own is a Caterpie.

Pokémon was originally created in 1996 in Japan as Pocket Monsters.