Sakura Wars (サクラ大戦 , Sakura Taisen ) is a Japanese media franchise created by Ouji Hiroi, and is developed and formally licensed by Red Entertainment and Sega (who also owns the franchise).
 The franchise centers on a series of dramatic fantasy and science-fantasy tactical role-playing adventure video games, which consist of tactical wargame and dating sim elements, and also includes a motion picture, anime, printed media, and other merchandise.
 The series began in 1996 as an eponymous video game; the game was a success and spawned sequels.
 The video game series has branched into other genres and platforms, such as portable games and games for mobile phones.
Jewelpet (Japanese: ジュエルペット , Hepburn: Juerupetto ) is a Japanese media franchise and toy line created in 2008 as a joint venture between Sanrio and Sega Sammy Holdings, produced by the third character designer of Hello Kitty, Yuko Yamaguchi and illustrated by the character designer of Cinnamoroll, Miyuki Okumura.
 The franchise was originally launched on January 15, 2008, focusing on animals named after jewels, birthstones and minerals, who can use magic using their eyes.
Valkyrie Drive (ヴァルキリードライヴ , Varukirī Doraivu ) is a Japanese media franchise created by Marvelous, which was announced at the AnimeJapan convention in March 2015.
 The franchise consists of three projects; Mermaid (マーメイド , Māmeido ) , an anime television series produced by Arms Corporation, which aired in Japan between October and December 2015; Bhikkhuni (ビクニ , Bikuni ) , a PlayStation Vita game released on December 10, 2015 in Japan with a Western release in 2016 and a Microsoft Windows version in 2017; and Siren (セイレーン , Seirēn ) , a social game for iOS and Android devices released in December 2015.
Digimon (デジモン "Dejimon", branded as Digimon: Digital Monsters, stylized as DIGIMON), short for "Digital Monsters" (デジタルモンスター "Dejitaru Monsutā"), is a Japanese media franchise encompassing virtual pet toys, anime, manga, video games, films and a trading card game.
 The franchise focuses on Digimon creatures, which are monsters living in a "Digital World", a parallel universe that originated from Earth's various communication networks.
 In many incarnations, Digimon are raised by humans called "Digidestined" or "Tamers" ("Chosen Children" in the Japanese version), and they team up to defeat evil Digimon and human villains who are trying to destroy the fabric of the Digital world.
The themes of "Neon Genesis Evangelion" (新世紀エヴァンゲリオン , Shin Seiki Evangerion ) have been the subject of continued casual and academic debate since the Japanese media franchise was created by Gainax.
 In Japan, a national debate about the anime Neon Genesis Evangelion resulted in widespread coverage of the show's endings and its retellings, contributing to the interest in academic analysis of the show.
 Most of the franchise features an apocalyptic mecha action story, which revolves around the efforts by the paramilitary organization NERV to fight hostile beings called Angels, using giant humanoids called Evangelions that are piloted by select teenagers.
 The psychological, religious and philosophical analysis the work represents the majority of the discussion.
 Evangelion's influence in postmodern apocalyptic narratives on the "sekaikei" genre has been great, but it remains the most successful example.
Chaos Dragon (Japanese: ケイオスドラゴン , Hepburn: Keiosu Doragon ) is a Japanese media franchise based on the Japanese role-playing game "Red Dragon" by Makoto Sanda, featuring characters created by Gen Urobuchi, Kinoko Nasu, Izuki Kogyoku, Simadoriru, and Ryōgo Narita.
Megami Tensei, marketed overseas as Shin Megami Tensei (originally "Revelations"), is a Japanese media franchise created by Kouji Okada (credited as Cozy Okada in English), Ginichiro Suzuki, and Kazunari Suzuki.
 Primarily developed by Atlus and currently owned by Sega, the franchise consists of multiple subseries and covers multiple role-playing genres including tactical role-playing, action role-playing, and massively multiplayer online role-playing.
 The first two titles in the series were published by Bandai Namco (then Namco), but have been almost always published by Atlus in Japan and North America since the release of "Shin Megami Tensei".
 For Europe, Atlus publishes the games through third-party companies.
Neon Genesis Evangelion (新世紀エヴァンゲリオン , Shin Seiki Evangerion ) is a Japanese media franchise created and owned by Gainax.
 Most of the franchise features an apocalyptic mecha action story, which revolves around the efforts by the paramilitary organization NERV to fight hostile beings called Angels, using giant humanoids called Evangelions that are piloted by select teenagers.
 Other works deviate from this theme to varying degrees, focusing more on romantic interactions between the characters, side stories which did not appear in the original works, and/or reimaginings of the conflicts from the original works.
John "Beau" Billingslea (born 1944) is an American actor known as the voice of Jet Black in the popular anime "Cowboy Bebop", Ogremon in "Digimon" and Homura and Ay, the Fourth Raikage in "Naruto Shippuden".
 In addition to voice acting, He appeared in many television shows and some films including "North and South Book II: Love and War", "Just Jordan", "The Hannah Montana Movie", and "".
Black Rock Shooter (ブラック★ロックシューター , Burakku Rokku Shūtā ) is a Japanese media franchise based on characters created by illustrator Ryohei Fuke also known as Huke.
 It revolves around its eponymous character, a mysterious black haired girl with a blazing blue eye.
 The original illustration inspired a song of the same name by Supercell, which gained popularity on the Nico Nico Douga website.
 A 50-minute original video animation based on the franchise was produced by Yutaka Yamamoto's studio Ordet, written by Nagaru Tanigawa and Shinobu Yoshioka, and directed by Shinobu Yoshioka.
 A "Pilot Edition" was released on DVD and Blu-ray Disc in September 2009, before the full version was released on DVDs bundled with select magazines from July 24, 2010, subtitled in seven languages, followed by a retail release on December 17, 2010.
 An eight-episode anime television series, produced by Ordet and Sanzigen, aired on Fuji TV's Noitamina programming block between February 2 and March 22, 2012.
 The franchise has also spawned several manga series and a video game for the PlayStation Portable titled "", each set in their own universe.

Question: Which Japanese media franchise involved the voicing of John "Beau" Billingslea?
Answer: Digimon