
Brian Beacock is an American actor who works in film, television, and English-dubbed anime. He voices several Naruto characters, among them Chojuro, the twins Sakon and Ukon, and Yashamaru, across the Studio Pierrot series.
Beacock handles a spread of Naruto roles in the English dub, most prominently Chojuro, the shy swordsman who later rises to become the Sixth Mizukage. He also voices the merged Sound Village twins Sakon and Ukon, along with Yashamaru, the uncle whose actions shaped Gaara's tragic childhood.
Born on March 29, 1966, Beacock has been dubbing anime and games since 1988. Fans know him for Yumichika Ayasegawa in Bleach, Takato Matsuki in Digimon Tamers, Byonko in Zatch Bell, and above all Monokuma, the black-and-white bear who hosts the killing games of the Danganronpa series.
In Naruto, Beacock voices Chojuro, the shy swordsman who later becomes the Sixth Mizukage, along with the merged Sound Village twins Sakon and Ukon and Gaara's uncle Yashamaru. Outside Naruto he plays Yumichika Ayasegawa in Bleach and Takato Matsuki in Digimon Tamers.
Beacock is best known as Monokuma, the black-and-white bear who hosts the killing games of the Danganronpa series. This stands alongside his multiple Naruto roles as one of his signature credits.
Yashamaru, voiced by Beacock, is the uncle whose actions shaped Gaara's tragic childhood in Naruto. Beacock also voices the merged Sound Village twins Sakon and Ukon within the same English dub.
Beacock voices Byonko in the comedic anime Zatch Bell, one of many supporting roles across his long dubbing career.
Brian Beacock was born on March 29, 1966. He has been dubbing anime and video games since 1988, giving him decades of experience in the industry.
This content is original writing by Daddy Jim Anime based on the Naruto anime series, manga, and official materials. Episode and chapter references are cited where applicable.
Rights holders
All rights belong to their respective owners.
Character and scene imagery on this site is original artwork by Daddy Jim Anime, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:
Official resources:
Daddy Jim Anime maintains this encyclopedia. If you spot an error, a translation issue, or something that doesn't look right, let us know.