Romain Barbieux was a Belgian actor known for his extensive work in the French-language dubbing of animated series and films, particularly in the realm of Japanese anime. Born in Ostende, Belgium, on December 14, 1973, he pursued a career in performance, training at the Conservatoire royal de Bruxelles. His background also included training in dance, singing, and theatrical improvisation, where he was a member of the Ligue d'improvisation professionnelle belge.

Before his voice-over career, Barbieux was highly active in theatre, appearing in numerous classical and contemporary productions. His stage work included roles in plays by Molière, Shakespeare, Racine, and Rostand, as well as modern works by writers such as Jean-Claude Idée and Daniel Keene.

In the field of dubbing, Barbieux became a familiar voice to French-speaking audiences, contributing to several long-running and popular anime series. He is perhaps best known for voicing the complex character of Kabuto Yakushi across the Naruto and Naruto Shippûden series and related films. He also provided the voice for Hayate in the original Naruto series.

Barbieux had a significant presence in the Pokémon franchise, lending his voice to numerous recurring characters. These included the coordinator Harley in Pokémon Advanced, Reggie in Pokémon Diamond and Pearl, and Monsieur Jean-Paul in Pokémon XY. In the world of Beyblade, he was the voice of the villainous Doji across several Metal Saga series, including Beyblade: Metal Fusion and Beyblade: Shogun Steel, as well as the character Nile.

His work in the Yu-Gi-Oh! franchise was particularly extensive. As noted in the query, he voiced Soloman Muto in the film Yu-Gi-Oh! 3D: Bonds Beyond Time. His other roles in this universe included Jim Crocodile Cook in Yu-Gi-Oh! GX, Gilles de Rangsborg and Lester in Yu-Gi-Oh! 5Ds, and multiple characters in Yu-Gi-Oh! Zexal, such as Mr. Kay, Byron Arclight, and Alito. He also voiced the Priest Mahad in the original Yu-Gi-Oh! Duel Monsters series.

Beyond these major franchises, Barbieux's versatility was evident in roles across a wide spectrum of other series. He was the first French voice of Larry in Le Monde incroyable de Gumball, voiced Taruru in Keroro, mission Titar, and played Yu Nikaido in Shugo Chara!. His film work included dubbing roles in movies such as Pride and Think Like a Man Too, as well as providing voices for animated Barbie films.

Romain Barbieux passed away on May 28, 2016, at the age of 42, following a long illness. His death marked the loss of a prolific and talented actor whose body of work left a lasting mark on the landscape of French-language anime dubbing.