20highest level
Super Nerd Aidan fields 4 Pokémon at level 20 in Route 8.
Fought at Route 8.
This is around Thunder Badge — Rock Tunnel to Celadon City in the story — that page lists everything you can have caught by this point.
Types on this team: Electric ×3PoisonSteel
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Voltorb Lv 20 Electric | Sonic Boom Screech Tackle Charge | HP40Attack30Defense50Sp. Atk55Sp. Def55Speed100Total330 | |
 | Koffing Lv 20 Poison | Sludge Smog Tackle Poison Gas | HP40Attack65Defense95Sp. Atk60Sp. Def45Speed35Total340 | |
| Voltorb Lv 20 Electric | Sonic Boom Screech Tackle Charge | HP40Attack30Defense50Sp. Atk55Sp. Def55Speed100Total330 | |
 | Magnemite Lv 20 ElectricSteel | Sonic Boom Supersonic Thunder Shock Tackle | HP25Attack35Defense70Sp. Atk95Sp. Def55Speed45Total325 |
How to beat this team
Shared weaknesses. Ground hits 4 of 4, Fighting hits 1 of 4, Fire hits 1 of 4, Psychic hits 1 of 4.
Level to be ready for. Lv 20 — Voltorb, the highest on the team.
Ground Pokémon you can have caught by this point. From this guide’s own encounter tables, by Thunder Badge — Rock Tunnel to Celadon City: