Professors' aides/Manga

Pokémon Adventures
's sister Daisy Oak served as 's assistant starting from the. took over as Professor Oak's assistant at the end of the.

Professor Elm has two assistants. The first, Joey, met  at the start of his journey. The second, Mr. Pokémon, delivered an to Gold.

Professor Rowan has two assistants. The first is 's father Mr. Berlitz, who accompanied Rowan to the Canalave City academic conference. The other is Roseanne, who looked after Rowan's research lab when he was away.