My favorite pokemon are Blastoise and Groudon, but, if you want a nice list:
Favorite Starters: Blastoise, Enperuto, Dotaitos, Typhlosion, Charizard, Swampert
Favorite Legendaries: Groudon, Lugia, Ho-oh, Rayquaza, Entei, Mew, Latios, Jirachi, Zapdos, Articuno, Celebi
Favorite Other Pokemon...