Brock, (known in Japan as Takeshi), is a fictional character in the Pokémon franchise. In the Pokémon video games, he is the Gym Leader of Pewter City and mainly uses Rock-type Pokémon; in the anime series, he left his position as a Gym Leader to travel alongside Ash Ketchum and become a revered Pokémon Breeder. He has also appeared in several Pokémon manga series, including Pokémon and the Ash & Pikachu manga. He is voiced by Yūji Ueda in the English version and Eric Stuart (for the first eight seasons) and Bill Rogers in the English dub.