Professor Willow is the Pokémon professor of Pokémon GO.
Professor Willow is a tall middle-aged man, who has white hair and dark eyes. He wears some brown-framed glasses, a black collared shirt with green outlines, a large black backpack with a teal sleeping bag, a white lab coat, some black gloves, a teal wristwatch, some brown shorts, a black undersuit and some black shoes with teal outlines and white soles.
Professor Willow is a helpful professor, giving tips to the trainers.
Professor Willow shows the player character how to catch Pokémon. He can also be given Pokémon for some stardust and PokéCoins.