Tapu Koko @ Electrium Z  
Ability: Electric Surge  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Thunder Clap  
- Brave Bird  
- U-turn  
- Toxic / Hidden Power Ice  

Tapu Koko @ Choice Specs  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Dazzling Gleam  
- Volt Switch  
- Hidden Power [Ice]  

Tapu Koko @ Light Clay  
Ability: Electric Surge  
EVs: 248 HP / 8 SpD / 252 Spe  
Jolly Nature  
- Reflect  
- Light Screen  
- Taunt  
- U-turn