Anime character recycling

Character recycling is a term used for the Pokémon anime when a single visual design is used in multiple episodes for different characters. When character recycling occurs, the characters are generally identical in appearance, with only small cosmetic changes like hair color differing between episodes.

Miss Priscilla
Miss Priscilla was featured in A Bout with Sprout. An unnamed lookalike teacher later appeared in Doin' What Comes Natu-rally.

Pokémon League entrance exam instructor
The Pokémon League entrance exam instructor was featured in The Ultimate Test. An unnamed lookalike later appeared in You're a Star, Larvitar!.

and
Annie was featured in Wobbu-Palooza!. A lookalike by the name of Stephanie later appeared in Having a Wailord of a Time.

Delaney and Kent
Delaney was featured in Outrageous Fortunes. A lookalike by the name of Kent later appeared in A Cacturne for the Worse.

Bill and Dominick
Bill appeared in Mystery at the Lighthouse. An unnamed lookalike with brown hair later appeared at the end of Hoenn Alone. Another lookalike named Dominick later participated in the Ever Grande Conference in From Brags to Riches.

Cherry
Cherry appeared in The Psychic Sidekicks!. An unnamed lookalike later appeared in Staging a Heroes' Welcome!.

Temacu
Temacu was featured in The Heartbreak of Brock. An unnamed lookalike later appeared in Staging a Heroes' Welcome!.

Oscar and Andi
Oscar and Andi were featured in The Bicker the Better. Two unnamed lookalikes later appeared in Staging a Heroes' Welcome!.

Pietra
Pietra was featured in Right On, Rhydon. An unnamed lookalike later appeared in A Lean Mean Team Rocket Machine!.

Vitzo
Vitzo was featured in The Screen Actor's Guilt. An unnamed lookalike later appeared in Classroom Training!.

Alanna
Alanna was featured in A Poké-BLOCK Party. An unnamed lookalike later appeared in Opposites Interact!. Another unnamed lookalike later appeared in The Battle Club and Tepig's Choice!. Both lookalikes had different hair color than Alanna.

Janet
Janet was featured in All Things Bright and Beautifly. An unnamed lookalike later appeared in both Triple Leaders, Team Threats! and Dreams by the Yard Full!.

Erica
Erica was featured in Mean with Envy and Pacifidlog Jam. An unnamed lookalike later appeared in Triple Leaders, Team Threats!, Dreams by the Yard Full!, and Cilan Takes Flight!.

Jump was featured in Saved by the Beldum. An unnamed lookalike later appeared in The Lonely Deino!.

Otane
Otane appeared in Pokéblock, Stock, and Berry. An unnamed lookalike previously appeared in A Goldenrod Opportunity. Another unnamed lookalike previously appeared in The Art of Pokémon. Another unnamed lookalike later appeared in Beauties Battling for Pride and Prestige!.

Cynthia
Cynthia appeared in several episodes of the and. An unnamed lookalike later appeared in I Choose You!.