Professor Sakuragi:
He conducts research at the Sakuragi Laboratories
while supporting Satoshi and Go's adventures.
Koharu:
A 10 year old girl who attends school.
She's Professor Sakuragi's daughter and a childhood friend of Go.
Wanpachi:
A puppy Pokémon.
Very attached to Koharu.
The Sakuragi Laboratories:
A recently built Pokémon laboratory in Kuchiba City, Kanto.
Satoshi and Go live here while they set off on adventures to various regions.
Series Staff:
Voice of Professor Sakuragi: Yuichi Nakamura
Voice of Koharu: Kana Hanazawa