Tapu Koko @ Life Orb 
Ability: Magic Guard 
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Thunderbolt / Discharge
- Roost
- Dazzling Gleam 
- U-turn / Calm Mind

Tapu Koko @ Flame Orb  
Ability: Pixilate  
EVs: 252 Atk / 4 Def / 252 Spe OR 152 HP / 132 Atk / 224 Spe  
Jolly Nature  
- Facade  
- Nature's Madness / Taunt / Thunderbolt
- Roost  
- Volt Switch / U-Turn

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

Tapu Koko @ Leftovers  
Ability: Magic Bounce  
EVs: 152 HP / 104 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Roost  
- Discharge  
- Dazzling Gleam