Itaru Hashida — better known by his nickname “Daru” — is voiced in Japanese by Tomokazu Seki and in the English dub by Tyson Rinehart. As the resident hacker and comedic heart of the Future Gadget Laboratory, Daru became one of Steins;Gate’s most memorable supporting characters thanks to both actors’ energetic and emotionally grounded performances. (behindthevoiceactors.com)

Japanese Voice Actor: Tomokazu Seki

Date of Birth

September 8, 1972 (imdb.com)

About Tomokazu

Tomokazu Seki is one of Japan’s most prolific and recognizable voice actors, known for his powerful vocal range and ability to seamlessly alternate between comedy, action, and dramatic performances. His portrayal of Daru in Steins;Gate balanced exaggerated otaku humor with genuine emotional sincerity, helping make the character far more nuanced than his comic-relief role initially suggests. (en.wikipedia.org)

Over the course of his career, Seki has voiced major protagonists, rivals, and comedic characters across anime, video games, and tokusatsu productions. He is especially celebrated for energetic performances with strong personality-driven delivery. (imdb.com)

Hometown

Tokyo, Japan (en.wikipedia.org)

Career Highlights

  • Itaru Hashida (Daru) — Steins;Gate
  • Gilgamesh — Fate/stay night
  • Suneo Honekawa — Doraemon
  • Rob Lucci — One Piece
  • Kanji Tatsumi — Persona 4
  • Domon Kasshu — Mobile Fighter G Gundam
  • Kyo Sohma — Fruits Basket (2001)
  • Van Fanel — The Vision of Escaflowne
  • Touji Suzuhara — Neon Genesis Evangelion
  • Staz Charlie Blood — Blood Lad (behindthevoiceactors.com)

Seki has also worked extensively in narration, stage acting, and game voice work, becoming one of the veteran pillars of the anime voice acting industry. (en.wikipedia.org)

Full Current Filmography

The following list reflects documented and publicly verifiable credits from reputable databases and official materials and may not be exhaustive.

Anime

  • Steins;Gate — Itaru Hashida
  • Steins;Gate 0 — Itaru Hashida
  • Fate/stay night — Gilgamesh
  • Fate/Zero — Gilgamesh
  • Doraemon — Suneo Honekawa
  • One Piece — Rob Lucci
  • Persona 4: The Animation — Kanji Tatsumi
  • Mobile Fighter G Gundam — Domon Kasshu
  • Fruits Basket (2001) — Kyo Sohma
  • Neon Genesis Evangelion — Touji Suzuhara
  • The Vision of Escaflowne — Van Fanel
  • Blood Lad — Staz Charlie Blood
  • Psycho-Pass — Shinya Kogami (drama CDs and related media appearances)
  • Full Metal Panic! — Sousuke Sagara
  • Martian Successor Nadesico — Gai Daigoji
  • Dragon Ball Super — Additional voices (imdb.com)

Video Games

  • Steins;Gate series — Itaru Hashida
  • Persona 4 series — Kanji Tatsumi
  • Fate/Grand Order — Gilgamesh
  • Danganronpa V3 — Korekiyo Shinguji
  • Granblue Fantasy — Various characters
  • Super Robot Wars series — Domon Kasshu (behindthevoiceactors.com)

Critical Reception

Tomokazu Seki’s performance as Daru is frequently praised for giving emotional credibility to a character who could easily have become a one-note comic stereotype. Fans and critics often note how effectively he handled Daru’s rapid shifts between absurd humor, emotional loyalty, and moments of genuine seriousness during Steins;Gate’s darker arcs. (castfacts.com)

His chemistry with Mamoru Miyano’s Okabe became one of the defining dynamics of the series, helping establish the Future Gadget Laboratory cast as one of anime’s most beloved ensemble groups. (castfacts.com)

Our Sources

Social Media

No verified official public social media accounts for Tomokazu Seki were consistently documented through major official sources at the time of writing.

English Voice Actor: Tyson Rinehart

Date of Birth

Publicly verified birth date information for Tyson Rinehart is not widely documented in official entertainment databases. (animenewsnetwork.com)

About Tyson

Tyson Rinehart is the English voice actor behind Itaru “Daru” Hashida in the Steins;Gate English dub. His performance became especially popular among fans for capturing Daru’s chaotic otaku humor, fast-talking personality, and surprisingly heartfelt emotional depth. Rinehart’s energetic delivery helped make Daru one of the standout characters in the English adaptation. (behindthevoiceactors.com)

In addition to voice acting, Rinehart has worked as an ADR director, scriptwriter, and theater performer. He has contributed extensively to anime localization work through Funimation and Crunchyroll productions. (animenewsnetwork.com)

Hometown

Specific hometown information for Tyson Rinehart is not consistently documented in verified public sources. He is professionally associated with the Texas-based anime dubbing industry. (animenewsnetwork.com)

Career Highlights

  • Itaru Hashida (Daru) — Steins;Gate
  • Bartolomeo — One Piece
  • Mitsuo Kubo — Persona 4: The Animation
  • Matsuda — Tokyo Ghoul
  • Rero-Rero — Space Dandy
  • Tengai — Drifters
  • Additional voices and ADR work across numerous Funimation titles (behindthevoiceactors.com)

Rinehart is also respected for his work behind the scenes in dubbing production, where he has handled ADR direction and script adaptation for multiple anime releases. (animenewsnetwork.com)

Full Current Filmography

The following list reflects documented and publicly verifiable credits from reputable databases and official productions and may not be exhaustive.

Anime

  • Steins;Gate — Itaru Hashida
  • Steins;Gate 0 — Itaru Hashida
  • One Piece — Bartolomeo
  • Tokyo Ghoul — Matsuda
  • Drifters — Tengai
  • Space Dandy — Rero-Rero
  • Fairy Tail — Additional voices
  • My Hero Academia — Additional voices
  • Black Clover — Additional voices
  • Attack on Titan — Additional voices
  • Dimension W — Additional voices (behindthevoiceactors.com)

Video Games

  • Steins;Gate — Itaru Hashida
  • Smite — Additional voices
  • Borderlands 3 — Additional voices
  • Dragon Ball game localizations — Additional voices (behindthevoiceactors.com)

ADR Direction and Production Work

  • ADR direction and adaptation contributions for multiple Funimation and Crunchyroll anime releases
  • Theater and stage performance work in addition to voice acting (animenewsnetwork.com)

Critical Reception

Tyson Rinehart’s portrayal of Daru is frequently praised for balancing absurd comedy with emotional authenticity. Fans often highlight how naturally he handled Daru’s internet-heavy humor and awkward personality without losing the character’s emotional sincerity during the series’ dramatic moments. (reddit.com, behindthevoiceactors.com)

Many viewers also credit Rinehart’s chemistry with J. Michael Tatum’s Okabe for helping the English dub maintain the close-knit emotional dynamic of the original Japanese cast. (behindthevoiceactors.com)

Our Sources

Social Media

Published by Limarc Ambalina

Limarc Ambalina is the founder of Japan Bound, a website covering all things Japan — from travel and culture to anime, manga, and pop culture. He is also the Director of Content at ISNation and the former VP of Editorial at HackerNoon. Based in Japan, he has been writing about Japanese life and entertainment since 2019, growing the site to over 2.4 million views.

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