Zapdos @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
- Thunder  
- Roar / Defog
- U-turn  
- Roost

Zapdos @ Life Orb  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder  
- Hidden Power [Ice]  
- Signal Beam  
- Roost

Other Options: Either set can use Pressure or Static in order to make use of Heat Wave and take less damage from Water moves, Screens, Light Screen, Tailwind