I think an Aggron is powerful, so is Zangoose, Also a smeargle(in emerald) I use sketch on my groudon in a double battle to learn eruption.
"It all starts with this, a jewel containing the ultimate power." -Shadow "I still remember what I promised you, for the people of this planet. I promise you, REVENGE!" -
No one knows Shadow better than me. Or likes him more either. Go ahead, try me.