T
Sceptile

But Jolteon, Gyarados and Gardevoir are pretty awesome too. In that order.
A
Treeko.Cause it's awesome.Ash needed to abandon his Pikachu.
C
I bet I know what seph's newest favorite Pokemon is going to be....
Tsunbear

http://pokemon.marriland.com/black_white/pokedex/tsunbear/
Seeing as it is "teh Official Polarbear Pokemon" of generation 5! ;D
Or perhaps Kumashun...

http://pokemon.marriland.com/black_white/pokedex/613/
...might be more his taste... just look at how innocent & young it looks LOL!
K
mudkip - swampert - marshtomp,,, stronger starter i think,,, the only weakness is grass,,
S
my all time favorites are:Typhlosion
Scyther
and Dodriobut one of the new fire type pokemon may steal my heart
japanese name:Kuitaran
american:unknown for knowits the anteater pokemon it learns good moves and good stats and it looks awsome compared to how cartooney some of the new pokemon look
S
I think my second favorite pokemon is officially Tabunne from Black and White. It's so adorable~

I
Mudkip
Mijumaru
Chikorita
Squirtle
Chimchar
Buneary
Furret
Misdreavous
Mewtwo
Mew
Lucario
Kyogre
Pikachu
Leafeon
Ralts
Cranidos
Pachirisu
Bonsly
Pigeot
TeddiursaAnd some more I can't think of.