Professor Willow

Professor Willow is Pokémon professor who helps new Trainers learn the basics of Pokémon GO and assists experienced Trainers with research tasks. He is portrayed as a guide who directs and assists Trainers through their Pokémon journey. He appears at the beginning of the game to introduce the mechanics. He can also be found in the Tips Menu and through various Special Research tasks.

Background
He has white hair, dark grey eyes and his skin is white. His clothes are mostly dark with some lime-green details. He also wears a white lab coat and has big rucksack in his back.

The three Team Leaders are his assistants and Professor Willow looks slightly older than them. When transfering Pokémon, they are sent to Professor Willow in exchange for a corresponding Candy.

His introduction
"Hello there! I am Professor Willow. Did you know that this world is inhabited by creatures known as Pokémon? Pokémon can be found in every corner of the earth. Some run across the plains, others fly through the skies, some live in the mountains, or in the forests, or near water... I have spent my whole life studying them and their geography. Will you help me with my research? That's great! You'll need to find and collect Pokémon from everywhere. Choose your style to start your adventure! "

Trivia

 * With an update to game version 0.97.2, Professor Willow's graphic appearance became 3D model instaed of 2D artwork sprite.