free, easy, and News Pokémon TV Anime Brings Back Volkner After 11 Years posted on Hirofumi Nojima returns to Gym Leader role on August 20 The staff for the Pokémon Journeys: The Series anime revealed on Thursday that the character Volkner/Denji will appear in the series, with Hirofumi Nojima returning to voice the character. This will be the character's first appearance in a Pokémon series in 11 years since the Pokémon - Diamond and Pearl anime. Volkner, who was the most powerful Gym Leader of the Sinnoh region, will appear in the episode airing on August 20. Pokémon Journeys: The Series premiered on