Physical
Flame Body w/ Lum Berry/Assult Vest
Lonely w/ 252 Attack, 252 Sp Defense, 6 HP
Fire Punch
Thunder Punch
Brick Break
Earthquake

Special (Recommended)
Flame Body w/ Lum Berry/Assult Vest
Adamant/Mild w/ 252 Sp Attack, 252 Sp Defense, 6 HP
Flamethrower/Fire Blast
Thunderbolt
Focus Blast
Psychic/Hidden Power [Ice]

Countering
High Attack and Sp Defense with Ground/Rock-Type moves like Hitmonlee, Gallade, or Earthquake Snorlax/Dusknoir/Goodra.