20highest level
Levels shown are Normal mode: -2 on Easy, +2 on Challenge.
Fought at Route 6.
This is around Cascade Badge — Vermilion City in the story — that page lists everything you can have caught by this point.
Types on this team: BugFlying
| Pokémon | Moves | |
|---|---|---|
 | Butterfree Lv 20 · Compoundeyes | Poison Powder Stun Spore Sleep Powder Supersonic |