Crobat @ Heavy-Duty Boots  
Ability: Optimistic  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Curse  
- Cross Poison  
- Brave Bird  
- Roost  

Crobat @ Heavy-Duty Boots  
Ability: Inner Focus  
EVs: 108 HP / 148 Atk / 252 Spe  
Jolly Nature  
- Brave Bird  
- U-turn  
- Defog / Toxic / Super Fang / Taunt  
- Roost