This is a tough choice to make. I mean, after all, most professors in the games don't really do much after they give the player their starter and Pokedex. For my favorite one, I'd have to tip my hat off to the original professor. Yep...
Professor Samuel Oak!
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He is what one would call a founding figure in the field of Pokemon study. Without him, the professors wouldn't be a permanent fixture in the games and anime.
