Pokémon Red / Blue

Characters

Professor Oak-Pokémon Professor that resides in Pallet Town.  Go to him to receive your first Pokémon, either a Bulbasaur, a Charmander, or a Squirtle.  He will also evaluate your Pokedex on your way and tell his aides to give you gifts.  He is also your rival's grandfather.

Professor Oak's Aide-Aides to Professor Oak that hand you items that are somewhat useful after you have so many Pokémon in the Pokedex

You (your own choice of name)-The hero of the game.  You're a young trainer ready to go off and find out what's out there

Your Rival (your own choice of name)-Although you were friends when you were very young, that friendship developed into a rivalry.  Now, you both are starting your Pokémon journey as the rivalry will become more intense.  He is normally cocky and unaware of his own weaknesses.

Brock-Leader of the Pewter City gym.  Gives you a Pewter Badge and Bide after you defeat him.

Misty-Leader of the Cerulean City gym.  Gives you a Cascade Badge and Bubblebeam after you defeat her.

Lt. Surge-Leader of the Vermilion City gym.  Gives you a Thunder Badge and Thunderbolt after you defeat him.

Erica-Leader of the Celadon City gym.  Gives you a Rainbow Badge and Mega Drain after you defeat her.

Koga-Leader of the Fuchia City gym.  Gives you a Soul Badge and Toxic after you defeat him.

Sabrina-Leader of the Saffron City gym.  Gives you a Marsh Badge and Psywave after you defeat her.

Blaine-Leader of the Cinabar Island gym.  Gives you a Volcano Badge and Fire Blast after you defeat him.

Giovanni-Leader of Team Rocket and the Viridian City gym.  Gives you a Silph scope after first defeat, receive a Master Ball from the head of Silph Co. after second defeat, and gives you the Earth Badge and Fissure after his third and final defeat.

Lorelei-First member of the Elite 4 that uses Ice type Pokémon.

Bruno-Second member of the Elite 4 that uses Rock/Fighting type Pokémon.

Agatha-Third member of the Elite 4 that uses Ghost/Poison type Pokémon.

Lance-Final member of the Elite 4 that uses Dragon type Pokémon.