So this is going to be quite a big thread but it would be absolutely amazing if you could share your opinion on it as well! XD Mine is:
Kanto: Ninetales, Jolteon, Nidoking, Raichu, Sandslash, Rapidash, Gengar, Charizard, Lapras, Gyarados.
Johto: Espeon, Typhlosion, Tyranitar, Crobat, Umbreon, Ampharos, Jumpluff, Steelix, Houndoom, Kingdra.
Hoenn: Gardevoir, Aggron, Mightyena, Sceptile, Manectric, Swellow, Flygon, Sharpedo, Metagross, Milotic.
Sinnoh: Garchomp, Gallade, Luxxray, Staraptor, Roserade, Lucario, Mismagius, Gliscor, Rotom, Leafeon.
Unova: Zoroark, Serperior, Zebstrika, Leavanny, Sawsbuck, Scolipede, Chandelure, Samurott, Cinccino, Haxorus.
Kalos: Delphox, Talonflame, Goodra, Heliolisk, Meowstic, Sylveon, Pyroar, Pangoro, Gogoat, Tyrantrum.
Alola: Lycanroc, Decidueye, Vikavolt, Tsareena, Silvally, Salazzle, Mudsdale, Ribombee, Stufful, Araquanid. Hope you guys enjoy!
Kanto: Ninetales, Jolteon, Nidoking, Raichu, Sandslash, Rapidash, Gengar, Charizard, Lapras, Gyarados.
Johto: Espeon, Typhlosion, Tyranitar, Crobat, Umbreon, Ampharos, Jumpluff, Steelix, Houndoom, Kingdra.
Hoenn: Gardevoir, Aggron, Mightyena, Sceptile, Manectric, Swellow, Flygon, Sharpedo, Metagross, Milotic.
Sinnoh: Garchomp, Gallade, Luxxray, Staraptor, Roserade, Lucario, Mismagius, Gliscor, Rotom, Leafeon.
Unova: Zoroark, Serperior, Zebstrika, Leavanny, Sawsbuck, Scolipede, Chandelure, Samurott, Cinccino, Haxorus.
Kalos: Delphox, Talonflame, Goodra, Heliolisk, Meowstic, Sylveon, Pyroar, Pangoro, Gogoat, Tyrantrum.
Alola: Lycanroc, Decidueye, Vikavolt, Tsareena, Silvally, Salazzle, Mudsdale, Ribombee, Stufful, Araquanid. Hope you guys enjoy!