All of these will be in Pokedex order. I have a lot, so prepare yourselves.
GEN 1
Charizard, Alakazam, Machamp, Haunter, Gengar, Cubone, Marowak (Alolan form), Gyarados, Lapras, Eevee, Mewtwo, Mew.
GEN 2
Cyndaquil, Totodile, Feraligatr, Crobat, Ampharos, Espeon, Umbreon, Misdreavus, Scizor, Shuckle (mostly from nostalgic memories), Houndoom, Suicune, Lugia.
GEN 3
Sceptile, Mudkip, Swampert, Gardevoir, Sableye, Roselia, Flygon, Metagross, Rayquaza, Deoxys.
GEN 4
Staraptor, Luxray, Spiritomb, Garchomp, Lucario, Electivire, Gallade, Rotom (all forms), Dialga, Palkia, Giratina, Darkrai.
GEN 5
Oshawott, Gigalith, Scolipede, Whimsicott, Krookodile, Cofagrigius, Zorua, Zoroark, Escavalier, Chandelure, Haxorus, Braviary, Hydreigon, Volcarona, Reshiram, Kyurem, Genesect.
GEN 6
Chespin, Fennekin, Greninja, Talonflame, Aegislash, Tyrantrum, Sylveon, Hawlucha, Klefki, Xerneas, Yveltal, Volcanion.
GEN 7
Rowlet, Decidueye, Lycanroc (all forms), Wishiwashi, Golisopod, Kommo-o, Tapu Koko, Tapu Fini, Cosmog, Solgaleo, Lunala, Buzzwole, Guzzlord, Necrozma, Marshadow, Stakataka.
FAVOURITE MEGAS
Mega Charizard Y (no doubt my number #1), Mega Pinsir, Mega Mewtwo Y, Mega Gardevoir, Mega Banette, Mega Lucario, Mega Swampert, Mega Metagross, Mega Rayquaza.
Sorry for the long list, everyone. ;-;