Kenyu Horiuchi is a prominent Japanese voice actor and narrator born on July 30, 1957, in Gotemba, Shizuoka, Japan. He began his career in the early 1980s and has established himself as a versatile and enduring presence in the anime industry. In 2002, he founded his own voice acting management office, Kenyu Office, where he serves as representative director.

Horiuchi is known for his wide vocal range, which allows him to portray a diverse array of characters. He is described as having a voice that is both serene and sincere, capable of delivering performances as handsome young men, cool-headed or villainous characters, and in more recent years, mature and elderly roles. His career has been marked by numerous significant roles across several decades.

Some of his most well-known anime roles include Mashymre Cello in Mobile Suit Gundam ZZ, Grencia Mars Elijah Guo Eckener in Cowboy Bebop, the Second Hokage, Tobirama Senju, in the Naruto series, Pain and Yahiko in Naruto: Shippuden, and Kin'emon in One Piece. He has also taken on leading roles such as the title character in Guin Saga and Oda Cinnamon Nobunaga.

In addition to these, Horiuchi has voiced the specific characters noted in the query. He plays the role of Euripedes Ritzland in the 2022 anime series Love of Kill. He also provided the voice for the character Nyaon in the series Nyani ga Nyandaa Nyandaa Kamen. In the world of Re:Zero, he is the voice of the veteran swordsman Wilhelm van Astrea, a role he has reprised in various productions including Isekai Quartet 2. While a character named Adiras Odin from Sōkō Kyoshin Z-Knight is mentioned in the query, this specific role was not detailed within the search results provided.

Beyond anime, Horiuchi is highly regarded for his extensive work in dubbing foreign films and television series. He is the regular Japanese dubbing voice for several Hollywood actors, most notably Brad Pitt, as well as Ben Affleck, Charlie Sheen, and Ben Stiller. This work constitutes a significant portion of his career and showcases his ability to deliver naturalistic performances.

Throughout his long career, Horiuchi has been involved in numerous popular and long-running franchises, including Gundam, Precure, Saint Seiya, and Fate/, demonstrating his continued relevance and skill in the industry. His work spans television animation, original video animations, and theatrical films. He remains active, with roles in recent series such as Sorairo Utility in 2025.