Holly Segarra is best known for voice acting Mimi Alpaca from Peter Grill and the Philosopher's Time, Momo Akanegakubo from Food Wars! Toutsuki Juukketsu, Maid-chan from The Pet Girl of Sakurasou, and Peke from To Love Ru.
Basically what the title says—pick out English and Japanese VAs for trainers who currently aren't in Pokemon Masters EX, or characters who are planned but have not made voiced appearances yet! Feel free to add any missing characters! Professional VAs only, no celebs.
