20highest level
May / Brendan (Brionne) fields 3 Pokémon between level 18 and level 20 in After Dewford Gym.
This is around Mauville — Wattson (Lv 24 cap) in the story — that page lists everything you can have caught by this point.
Types on this team: Water ×2Deez NutsGrassLiquidSillyVibe
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Lombre Lv 18 GrassWaterVibe | The sheet lists this rival battle after Brawly and does not name the place. Moves: whatever it knows by level-up at that level — the sheet says "Base Level Up" rather than listing four. | The game’s documentation doesn’t list this trainer’s exact moves. Level-up moves Lombre knows by Lv 18 in Pokémon Too Many Types 1: Vibe Shift | HP60Attack50Defense50Sp. Atk60Sp. Def70Speed50Total340 |
 | Slugma Lv 18 LiquidDeez Nuts | Moves: whatever it knows by level-up at that level — the sheet says "Base Level Up" rather than listing four. | The game’s documentation doesn’t list this trainer’s moves. | HP40Attack40Defense40Sp. Atk70Sp. Def40Speed20Total250 |
 | Brionne Lv 20 WaterSilly | One of three teams: the sheet gives this rival a branch for each starter and does not say which branch you face for which pick. Moves: whatever it knows by level-up at that level — the sheet says "Base Level Up" rather than listing four. | The game’s documentation doesn’t list this trainer’s exact moves. Level-up moves Brionne knows by Lv 20 in Pokémon Too Many Types 1: Squirting Flower | HP60Attack69Defense69Sp. Atk91Sp. Def81Speed50Total420 |
How to beat this team
Shared weaknesses. Bug hits 1 of 2, Electric hits 1 of 2, Flying hits 1 of 2, Grass hits 1 of 2, counting the 2 of 3 whose types this chart knows.
Level to be ready for. Lv 20 — Brionne, the highest on the team.