Forretress @ Heavy-Duty Boots  
Ability: Bulletproof  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Shield Slam  
- Volt Switch  
- Stealth Rock  
- Rapid Spin  

Forretress @ Assault Shield  
Ability: Bulletproof  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Shield Slam  
- Bug Bite  
- Rapid Spin  
- Volt Switch