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Robert Martin Klein (credited as Bill Lader) is an American theater, film, and voice actor who went under the alias name Bob Marx in his earlier dubbing work during the '90s. He's best known for playing Gomamon/Ikkakumon in Digimon: Digital Monsters, Fukurou in Noein & Katsuhiko, Jinnai in El Hazard. In addition to voiceovers, Klein has worked on theater and film productions too.[1]

Klein performed the voice of Tony, in Alpha and Omega 2: A Howl-iday Adventure and Alpha and Omega: The Legend of the Saw Tooth Cave, as well as Rouge #2 in Alpha and Omega 2: A Howl-iday Adventure.


- Robert Martin Klein is best known voicing as Gomamon from the Digimon Adventure series.