Cant in firered, but can in colleseum and through trades.
Platinum,Pearl,Diamond=Turtwig/Grotle/Torterra. Piplup/Prinplup/Empoleon. Chimchar/Monferno/Infernape HeartGold,SoulSilver, other Gameboy games w/Kanto and Johto= Totodile/Croconaw/Feraligatr. Chikorita/Bayleef/Meganium. Cyndiquail/Quilava/Typhlosion FireRed,LeafGreen=Charmander/Charmeleon/Charizard. Bulbasaur/Ivysaur/Venasaur. Squirtle/Wartortle/Blastoise. Emerald,Sapphire,Ruby=Treecko/Grovyle/Sceptile. Torchic/Combusken/Blaziken. Mudkip/Marshtomp/Swampert. Hope I helped!