I only have 3 atm. Grovyle, Lv. 20 (or so), Butterfree Lv. 12, Diglett Lv. 15. Can't really use Butterfree and Diglett until after Brawley cuz they're being unruly.
The faster I get to Sootopolis City, the better. I better remember to catch an Oddish that knows Sweat Scent