Professor Oak - base1 #88

Professor Samuel Oak, known as Dr. Yukinari Ohkido in Japan, is a fictional character in the Pokémon franchise that debuted in 1996 video game Pokémon Red and Green. In these games, he is responsible both for teaching the player about how the world of Pokémon works, as well as giving the player-character their first Pokémon. He has since gone on to appear in subsequent entries in the series as well as spin-off games such as Pokémon Snap and Pokémon Channel. He also has a prominent recurring role in Pokémon: The Series, acting as a guide and starting off the journey for series protagonist Ash Ketchum by giving him a Pikachu.