Lass (Trainer class) - Bulbapedia, the community-driven Pokémon encyclopedia

Picnicker (Trainer class) - Bulbapedia, the community-driven

Pokémon Trainer - Bulbapedia, the community-driven Pokémon

Veteran Duo (Trainer class) - Bulbapedia, the community-driven

Monsieur (Trainer class) - Bulbapedia, the community-driven

Old Couple (Trainer class) - Bulbapedia, the community-driven

millea's art miscellanea — Here's some official art redraws/edits

Lili Rochefort as Pokemon Trainer by eMCee82 on @DeviantArt

Ace Trainer (Trainer class) - Bulbapedia, the community-driven

Hex Maniac (Trainer class) - Bulbapedia, the community-driven