English to Japanese
(remember, in Japan family/"last" names go first)
Yugi Moto = Motou Yugi (sometimes fans spell Yugi with two 'u's)
Tea Gardner = Mazaki Anzu
Joey Wheeler = Jounouchi Katsuya or Katsuya Jounouchi (not sure which is correct, but fans use both so I put both up. I think the second is correct)
Serenity Wheeler = Jounouchi Shizuka or Kawai Shizuka (not sure which is correct, but fans use both so I put both up. I think the second is correct)
Tristan Taylor = Hiroto Honda (or Honda Hiroto - not quite sure on that one)
Bakura Ryou = Bakura Ryou
Duke Devlin = Otogi Ryuuji
Maximillion Pegasus = Pegasus J. Crawford (he's American so his first name is first)
Solomon Moto = Motou Sugoroku
Seto Kaiba = Kaiba Seto
Mokuba Kaiba = Kaiba Mokuba
Mai Valentine = Kujaku Mai
Rex Raptor = Dinosaur Ryuzaki (no first name)
Weevil Underwood = Insector Haga (no first name)
Bandit Keith = Bandit Keith Howard (he's also American so...)
Mako Tsunami = Kajiki Ryouta
Ishizu Ishtar = Ishtar Isis
Marik Ishtar = Ishtar Malik [some people call him Mariku(e) or Maliku(e)]
Odion/Odeon = Rishid
Noah Kaiba = Kaiba Noa