Johnathan (Venusaur) @ Venusaurite  
Ability: Chlorophyll  
EVs: 248 HP / 88 Def / 156 SpD / 16 Spe  
Calm Nature  
- Giga Drain  
- Sludge Bomb  
- Synthesis  
- Earthquake  

Joseph (Heatran) @ Leftovers  
Ability: Flash Fire  
EVs: 248 HP / 132 SpD / 128 Spe  
Calm Nature  
IVs: 0 Atk  
- Lava Plume  
- Toxic  
- Protect  
- Taunt  

Jotaro (Greninja-Ash) @ Choice Specs  
Ability: Battle Bond  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Hydro Pump  
- Dark Pulse  
- Water Shuriken  
- Spikes  

Jolyne (Clefable) @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Moonblast  
- Soft-Boiled  
- Stealth Rock  
- Wish  

Josuke (Zapdos) @ Leftovers  
Ability: Static  
EVs: 248 HP / 240 Def / 20 Spe  
Bold Nature  
IVs: 0 Atk  
- Discharge  
- Roost  
- Heat Wave  
- Defog  

Giorno (Garchomp) @ Dragonium Z  
Ability: Rough Skin  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Outrage  
- Fire Fang