I think some suitable candidates would be Flareon and Snorlax, Snorlax with the chesto berry.
Here Are The Sets I would Give Them:
Flareon @ Toxic orb
EV's: 252 Attack, 252 Speed, 4 Defense
Flame Charge/Fire Fang/Flare Blitz
Snorlax @ Chesto Berry (more like a tank)
EV's: 252 Attack, 252 Defense, 4 HP
Those are the sweepers I thought of!