Their names in order of appearance: Charlie, Bob, Terry, Paolo, Raquel, and Heidi
Kanto region
Congrats Ash/Satoshi
Winning team in Kanto Region (Pokémon Red)
Pokémon Red Team
Charizard (Charlie), Pidgeot (Bob), Nidorina (Terry), Poliwrath (Paolo), Rapidash (Raquel), and Hypno (Heidi)