Sobre
The brothers made a minor appearance in A Goldenrod Opportunity (EP160), when Ash and Whitney accidentally ended up at their shop in Goldenrod City. They offered to give the Trainers' Pikachu and Clefairy a new look, but the two declined. (Source: Bulbapedia)
Oddish
Ash Ketchum
Misty
Brock
James
Jessie
Yamikarasu
Nyorotono
Doble
Kimawari
Himanuts
Okorizaru