Rin Itoshi, the cold and prodigiously talented striker in Blue Lock, is voiced by Koki Uchiyama in the original Japanese version, with Matt Shipman providing his voice in the English dub. Uchiyama’s controlled, intense delivery perfectly matches Rin’s calculating personality and elite skill on the field.
Koki Uchiyama — The Japanese Voice of Rin Itoshi

Date of Birth
August 16, 1990
About Koki
Koki Uchiyama is a highly acclaimed Japanese voice actor known for his calm, restrained vocal style and ability to portray emotionally complex characters. As Rin Itoshi in Blue Lock, Uchiyama delivers a performance defined by precision and subtle intensity, reflecting Rin’s analytical mind and unwavering focus on victory.
Uchiyama is particularly skilled at conveying inner conflict beneath a composed exterior—an approach that aligns perfectly with Rin’s character, especially as his motivations and rivalries deepen throughout the series.
Hometown
Saitama Prefecture, Japan
Career Highlights
- Rin Itoshi — Blue Lock
- Tomura Shigaraki — My Hero Academia
- Meruem — Hunter × Hunter (2011)
- Tsukishima Kei — Haikyuu!!
- Roxas — Kingdom Hearts series
Uchiyama is widely regarded as one of his generation’s top voice actors, with a career spanning major anime franchises and critically acclaimed performances.
Full Current Filmography
Below is a structured list of documented roles from available sources (not exhaustive):
Anime (TV & Film)
- Blue Lock — Rin Itoshi
- My Hero Academia — Tomura Shigaraki
- Hunter × Hunter (2011) — Meruem
- Haikyuu!! — Kei Tsukishima
- Soul Eater — Soul Eater Evans
- The Promised Neverland — Ray
- Horimiya — Izumi Miyamura
- Devilman Crybaby — Miki Kuroda (supporting)
Video Games
- Kingdom Hearts series — Roxas
Note: This list reflects widely documented roles from cited sources and may not include his complete body of work.
Critical Reception
Koki Uchiyama’s portrayal of Rin Itoshi has been praised for its understated intensity and psychological depth. Rather than relying on exaggerated emotion, Uchiyama uses subtle shifts in tone to communicate Rin’s dominance, frustration, and evolving mindset. Fans and critics often highlight how his calm delivery enhances Rin’s intimidating presence, especially during high-stakes matches.
Across his broader career, Uchiyama is consistently recognized for bringing nuance and emotional weight to complex characters, making him a natural fit for roles like Rin.
Our Sources
- Anime News Network – Koki Uchiyama profile (https://www.animenewsnetwork.com/encyclopedia/people.php?id=69459)
- Behind The Voice Actors – Rin Itoshi (https://www.behindthevoiceactors.com/characters/Blue-Lock/Rin-Itoshi/)
- Official Blue Lock anime website and credits (https://bluelock-pr.com/)

