20highest level
Fought at Route 38.
This is around Beat Whitney — Goldenrod City Gym, badge 3 in the story — that page lists everything you can have caught by this point.
Types on this team: FairyPsychic
| Pokémon | Moves | |
|---|---|---|
 | Mr. Mime Lv 20 | Meditate Encore DoubleSlap Mimic |