As Loose requested, good idea Loose!
post spoilers and stuff here from now on! leaks are going to come really fast from now on, so we don't want to spoil it for people who don't want to be spoiled!
Lookie what I found:
EDIT: PROVEN FAKE
And what I posted in the other thread:
Apparently Chespin's final evolution's english name is /* Jaegernut. Grass/Dark */
It apparently looks like Golbez, of Final Fantasy fame.