Shinpachi Tsuji is a seasoned Japanese voice actor and actor, born on October 20, 1956, in Chiba Prefecture, Japan. He is affiliated with the talent management firm Stay Luck, having been previously represented by other notable agencies such as Ken Production and Office PAC. His real name is Shinichi Kotani. Standing 168 cm tall with blood type O, Tsuji also holds a second-degree black belt in kendo.

Tsuji's path to performance began after he withdrew from Chuo University, where he was a law major, to pursue acting. He trained at the Bungakuza acting school, making his stage debut in 1981. His voice acting career took off in the late 1980s, and he has since become a prolific figure in anime, video games, and foreign language dubbing. Beyond his voice work, he is the president of his own theater company, Oya Hachi Kai, which focuses on reading plays.

Tsuji has built an extensive and varied portfolio of anime roles, often portraying older, authoritative, or rough-and-tumble male characters due to his distinct, gravelly voice. He is widely recognized for the long-running role of Makarov Dreyar, the beloved third-generation master of the Fairy Tail guild, in the Fairy Tail series. Other prominent anime credits include the stern patriarch桐原泰三 in Code Geass: Lelouch of the Rebellion, the tracking ninja dog Pakkun in the Naruto franchise, and the gambler雅格布·塔兰蒂诺 in Spice and Wolf. His range extends to voicing historical figures such as Guan Yu in Yokoyama Mitsuteru Sangokushi and陈宫 in Souten Kouro. In recent years, his credits include Pericolo in JoJo's Bizarre Adventure: Golden Wind, Beren in Tsukimichi -Moonlit Fantasy-, Bill Zimmer in Cop Craft, Garrus in Reincarnated as a Sword, and Inspector Void in Legend of Mana: The Teardrop Crystal. He also played a significant role as Musashi in the influential OVA Shin Getter Robo: Armageddon.

Tsuji is also a highly active voice in the dubbing of foreign films and television series, serving as the regular Japanese voice for acclaimed actors such as Gary Oldman and Alec Baldwin. Some of his notable dubbing roles include Sirius Black in the Harry Potter film series, Slinky Dog in Toy Story 4, and various characters in Star Trek. In video games, his work includes lending his voice to Achilles Davenport in Assassin's Creed III, Kurogane in Tales of Berseria, and 本願寺顕如 in the Sengoku BASARA series. He has a notable connection to the Romance of the Three Kingdoms franchise, having voiced several characters across different titles, including Zhang Fei in Romance of the Three Kingdoms XIV.

With a career spanning several decades, Shinpachi Tsuji is respected for his professionalism, versatility, and powerful presence, making him a familiar and esteemed voice in the Japanese entertainment industry.