Robert Martin Klein (also known as R. Martin Klein or Bob Klein) is a voice actor who went under the alias name Bob Marx in his earlier dubbing work during the '90s. He's best known for playing Me-Mania in Perfect Blue, Gomamon/Ikkakumon in Digimon: Digital Monsters, Fukurou in Noein & Katsuhiko Jinnai in El Hazard.
Battle B-Daman - The Big Cheese, Additional VoicesBlue Dragon - MarumaroCyborg 009 - Ivan Whisky/Cyborg 001Digimon: Digital Monsters - Bukamon/Gomamon/Ikkakumon (Adventure-Adventure 02), Toshiaki Mori (Tamers), Additional VoicesDigimon Fusion - Archelomon, BukamonEagle Riders - MallanoxEl Hazard - Katsuhiko JinnaiFLCL - GakuFlint the Time Detective - Flint HammerheadGiant Robo - Additional VoicesGatchaman - SolarisHand Maid May - Kotaro NanbaraHyper Doll - KuragemanMagical Meow Meow Taruto - KakipiMÄR - PozanMirmo! - KororoMobile Suit Gundam: The 08th MS Team - Jidan NickardMon Colle Knights - Impy, Additional VoicesNoein - FukurouPerfect Blue - Me-ManiaZatch Bell! - GrisorAnimalia - Iggy D'Iguana, Horble, Zed, Additional voicesDwegons - Nosey Three Horn, Bloochip, SquatsLeapFrog - Edison the Firefly (5 DVDs, as "Robert Mark Klein")Lego Star Wars: The Padawan Menace - Chancellor Palpatine, Darth Sidious, Republic GuardPower Rangers in Space - Seymour (voice, uncredited)A Martian Christmas - Office Manager, Martian Officer (as "Robert Mark Klein")Digimon: The Movie - GomamonMeet the Fockers - Moe Focker (DVD Extended)Digimon Adventure tri. - Bukamon/Gomamon/Ikkakumon/Zudomon/Vikemon (as "Bob Klein").hack - Harald Hoerwick, Marlo, Noble GruntyBrave Fencer Musashi - Butler Livers, Scribe ShankyBushido Blade 2 - KatzeDigimon Rumble Arena 2 - Gomamon/Ikkakumon, VeemonDigimon All-Star Rumble - Gomamon, PlesiomonDynasty Warriors 4 - Lu Meng, Guo JiaDynasty Warriors 4: Empires - Lu Meng, Guo JiaDynasty Warriors 4: Xtreme Legends - Lu Meng, Guo JiaGrandia III - PilotParaworld - TraderRadiata Stories - Al, Ganz RothschildSamurai Warriors - Ieyasu TokugawaSamurai Warriors: Xtreme Legends - Ieyasu TokugawaStar Ocean: First Departure - Lias WarrenStar Ocean: Till the End of Time - NortonThe Bouncer - Mugetsu