Who Is Professor Sada in Pokemon Scarlet and Violet? Image Source: Nintendo. Like the professors found in every generation of Pokémon, from Professor Oak to Professor Sonia, ...

Professor Sonia is a crucial character from the Sword and Shield games. Players have recently discovered an easter egg in Pokemon Scarlet and Violet that can be traced back to her.

As Sonia explains, she and Leon grew up with one another and both dreamed of being Pokemon trainers in the future. Sonia even taught Leon how to battle when they were younger.