Mixed sweepers have both decent attack and special attack, but not as high as one focused in one single stat, and that is because their objective is to hurt the foe in their lowest def stat
Arcanine ( Overheat as special move )
Cloyster ( Still without shell smash can deal damage )
Gengar ( Sub-Puncher )
Blaziken
Salamence ( Draco Meteor )
Infernape
Electivire ( Thunderbolt )
Azelf
Heatran
Kingdra
I remembered this, but let me do some research