Doug Erholtz began his career as a voice actor supplying the voice of Toshiro for the television series "Kyûketsuki Miyu" in 1998, and in 1999, did various voices for the series "Digimon: Digital Monsters. " The popular Japanese animated show, which bore more than a passing resemblance to "Pokémon," followed the adventures of children possessed with powerful digital monsters. Erholtz supplied character voices for 33 episodes until the show's close in 2001. Erholtz provided the voices for several video games like "Rave Master," ."hack//Infection," ."hack//Mutation," and "Naruto: Ultimate Ninja," before getting the part of Zanak Strauss in the television series "IGPX: Immortal Grand Prix," which ran for 12 episodes in 2005. From 2002 to 2005, Erholtz also did voices for the television series "Naruto," and in the same period, he did voice work for 10 episodes of the series "Monster" and seven episodes of the series "Bleach." Erholtz also provided voices for the series "Blue Dragon" in 2007, and he did more voices for video games like "Dynasty Warriors 6."