As Radium:  An extremely experienced LEV pilot and BAHRAM lieutenant. Radium was noted for his extremely high combat skills and experience in running LEVs. Radium was transferred to be the test &ldquo;runner&rdquo; for a new type of weapon to be used to regain Mars&rsquo; independence. The weapon in question is a prototype Orbital Frame codenamed, &ldquo;Idolo&rdquo;.    Following an initial test run of the frame, Radium is almost killed due to the massive power output from the Metatron used in the frame's body, power train and main systems. However, he manages to get to grips with the frame's controls and displays an unbelievable level of skill in running Idolo.    When Viola is given a test run in Idolo, it becomes clear that Metatron is much more powerful than had previously been thought and the frame has established some kind of connection with Radium. Idolo has a strange effect on him as the more he runs the frame, the more insane he appears to get.    After a UNSF team manages to infiltrate the BAHRAM testing base and take several hostages, including Radium&rsquo;s lover &ndash; Dolores Hayes &ndash; Radium boards Idolo in order to rescue them. However, Dolores tragically dies in his arms in the cockpit. Refusing to believe his lover is dead, Radium suffers from hallucinations while under fire from BAHRAM LEVs ordered to destroy the frame to stop the technology falling into Earth&rsquo;s hands. It is during this attack that Radium dies when the frame is destroyed.    As Napth:  A businessman, he uses his appearance as cover to hide his secret identity as BAHRAM military leader. He has reasons for hating the UNSF.    In truth, Napth is in fact Radium Lavans, the pilot of the first Orbital frame, and the fianc&eacute;e of Dolores Hayes. After the Deimos incident, he was resurrected and rebuilt into a cyborg by BAHRAM. 

49-year-old James Lynx was an officer (LEV pilot) in the United Nations global army, one day he received notification that his wife -- a Martian scientist -- was killed during a lab experiment. 
Hateful and resentful for letting her go, his children blamed him and cast him aside, depressed and in despair, James quit the military and took up a job as a transporter between Earth and Mars, he had some slight hope of his wife still being alive and to find her he wanted to be out there. After a few years he seemed to have given up all hope and turned to drinking, until one day he receives an orbital frame by the name of "Delorez", sent by his dead wife. Once again he dares to hope and sets off on a wild and wacky adventure to find the truth and to reunite his family. 
(Source: AniDB)

[Blog](http://koyap.jugem.jp/) | [Agency Profile](https://tsf-official.com/talent/takehito-koyasu/)

Koyasu is the most prolific voice actor in the industry, having been credited for over 700 roles as of April 2022.

Growing up, Koyasu skipped out on going to school to watch movies at home because he wanted to become an actor. It wasn’t until later that he became interested in voice acting after having seen [Galaxy Express 999](https://anilist.co/anime/1491/). After graduation he entered a voice acting school. In 1988, he made his voice acting debut, and got his first regular role a year later voicing [Gai](https://anilist.co/character/13374/) in [Tenkuu Senki Shurato](https://anilist.co/anime/2113/).

Though having voiced more characters in the medium than anyone else, he is probably most known for his role as [Dio Brando](https://anilist.co/character/4004/) in [JoJo’s Bizarre Adventure](https://anilist.co/anime/14719/). He has stated that he likes playing villainous characters.

Koyasu has taken over many of [Kaneto Shiozawa](https://anilist.co/staff/95424/)’s roles after Shiozawa’s passing.

Father of [Kouki Koyasu](https://anilist.co/staff/219102/).

__Non-Anime Roles:__

- Olivert Reise Arnor - The Legend of Heroes Series (VG)
- More - Metaphor: ReFantazio (VG)
- Mustang - Goddess of Victory: Nikke (VG)

1997 Daegyo Broadcasting Voice actor in Korea

Z.O.E. 2167 Idolo will take place a few years prior to the events of the series Z.O.E Dolores,i, and is centered on the "Deimos Incident," an act of terrorism by the Mars revolutionaries. 
The BAHRAM army pilots Radium and Viola are the best in their class, and have such have been chosen to do spearhead testing on a new type of weapon; Mars hopes this weapon will liberate them from the UNSF's (United Nations Space Force) tyranny. This new technology called the "Orbital Frame," is powered by an extreamly rare and powerful source of energy known as the metatron ore. 
This OVA depicts the Deimos incident, and the story leading up to this incident.


He is also the German voice of:
- Christopher Masterson as Francis in _Malcolm in the Middle_
- Donald Faison as Dr. Christopher Duncan Turk in _Scrubs_
- Simon Helberg as Howard Joel Wolowitz in _The Big Bang Theory_
- Martin Freeman as Dr. Watson in _Sherlock_