57highest level
Gentleman Gregory fields 2 Pokémon between level 56 and level 57 in Vermilion Gym.
This is around Kanto in the story — that page lists everything you can have caught by this point.
Types on this team: Electric ×2
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Pikachu Lv 57 Electric | Held item Light Ball | Thunderbolt Surf Thunder Wave Double Team | HP35Attack55Defense40Sp. Atk50Sp. Def50Speed90Total320 |
 | Ampharos Lv 56 Electric | Held item Magnet | Thunderbolt Cotton Spore Fire Punch Iron Tail | HP90Attack75Defense75Sp. Atk115Sp. Def90Speed55Total500 |
How to beat this team
Shared weaknesses. Ground hits 2 of 2.
Level to be ready for. Lv 57 — Pikachu, the highest on the team.
Ground Pokémon you can have caught by this point. From this guide’s own encounter tables, by Kanto: