Kazuhito Iwaike (岩池 一仁 , Iwaike Kazuhito ) , known exclusively by his stage name "Kaz" (カズ), stylized "K.A.Z", is a Japanese musician and songwriter.
 He is known for his work with Oblivion Dust, hide with Spread Beaver and Vamps.
Kentaro James Shibuya Lloyd (born 25 March 1976 in London, England), better known as Ken Lloyd, is a British/Japanese musician and singer-songwriter.
 Fluent in both Japanese and English, he writes lyrics in both languages.
 He is currently in Oblivion Dust, Atom on Sphere and Fake?
, the latter of which is now his solo project.
Ronald Joseph Radke (born December 15, 1983) is an American singer, songwriter, entertainer, and record producer born in Las Vegas, Nevada.
 He is the founding member and current lead vocalist, keyboardist, and recently guitarist for the rock band Falling in Reverse, and is the former vocalist and founding member of post-hardcore band Escape the Fate.
Rikiji Masuda (増田 力司 , Masuda Rikiji , born January 11, 1971 in Saitama) is a Japanese musician and bassist.
 He is known for his work with Oblivion Dust and Mega8Ball.
Misery Days is the second album released by Oblivion Dust on July 23, 1998.
Spin Aqua were a short-lived musical project between the model Anna Tsuchiya and the former Oblivion Dust guitarist K.A.Z.
 The duo performed music together for a year and seven months; releasing music for less than a year under the on the popular label Ki/oon Records.
The Drug in Me Is You is the debut studio album by American rock band Falling in Reverse.
 Production for the album took place following lead singer Ronnie Radke's departure from Escape the Fate in 2008.
 Recording took place in December 2010 and lasted until February 2011 at Paint it Black Studios in Orlando, Florida.
 Michael Baskette, who worked with Radke on Escape the Fate's "Dying is Your Latest Fashion", returned as the executive producer for the album, alongside former bandmate Omar Espinosa and others as additional composers and production aids in the studio.
 "The Drug in Me Is You" was released on July 25, 2011, in Europe and Japan, and on July 26, 2011, in the United States.
Dying Is Your Latest Fashion is the debut studio album by American rock band Escape the Fate, released on October 3, 2006 on Epitaph Records.
 The origin of the album's title comes from a line in the chorus of the song "Situations".
 It contains nine new songs plus two songs taken from "There's No Sympathy for the Dead".
 "Not Good Enough for Truth In Cliché" and "Situations" were released as singles, with music videos being made for both.
 It is the only full-length album and second release with original singer and founding member Ronnie Radke.
 Ronnie would later be incarcerated and kicked out of the band.
 He is currently the frontman for Falling in Reverse.
 It is also the last release to feature rhythm guitarist Omar Espinosa and keyboardist Carson Allen (although he was no longer in at the time).
 As of 2014 drummer Robert Ortiz is the only member still with the band as both Monte Money and Max Green had recently left the band in 2013 and 2014 respectively.
 Mandy Murders, who had in the past dated Ronnie Radke, modeled for the cover art.
Oblivion Dust is a Japanese rock band first active from 1996 to 2001, they reunited in 2007.
 Although they were originally largely influenced by early 90's American grunge bands, since reuniting their music has become straight alternative rock.
 They stand out in the Japanese scene as most of their songs are written and sung in fluent English.
Kiyonobu Inoue (井上 清信 , Inoue Kiyonobu , born on September 29, 1970 in Hadano, Kanagawa) , known exclusively by his stage name Inoran, is a Japanese musician, singer and songwriter.
 He is best known as the rhythm guitarist and a co-founder of the rock band Luna Sea.
 He started his solo career in 1997 and when Luna Sea disbanded in 2000, he formed Fake?
 with Oblivion Dust vocalist Ken Lloyd a year later.
 Then in 2005 when leaving Fake?
 he founded Tourbillon with Luna Sea vocalist Ryuichi Kawamura and Hiroaki Hayama.
 He has recently rejoined Luna Sea as they reunited in 2010, and in 2012 formed Muddy Apes with bassist Taka Hirose and support guitarist Dean Tidey, both from Feeder, and 8otto's vocalist Maeson.

Question: Who is currently in Oblivion Dust, Atom on Sphere and Fake, Ken Lloyd or Ronnie Radke
Answer: Kentaro James Shibuya Lloyd