Ralph "Ralf" Hubert - Producer, sound engineer, sound mixer and bass player with "Mekong Delta" has produced, engineered and mixed many heavy metal band's album. Some of these bands include: Brainfever, Steeler, Fact, Warlock, Living Death, Atlain, Stormwind, Darxon, Hunter, Lions Breed, Metal Sword, Overdose, Breaker, Mad Butchter, Carrie, Invader, Holy Moses, Siren, Target, Kreator, Sacred Chao. Being a producer and sound engineer he has been responsible (influencer) of the Teutonic Metal sound of the 1980s.

  As a musician" Ralph Hubert" using the alias "Björn Eklund" he played bass with the band "Mekong Delta" since 1985 , other bands he performed with are Schwarzarbeit and X-Mas Project.Ralph Hubert was also co-founder of "Aaarrg Records" in 1986.

  Atom Steif (real name: Guido Richter) is a well-known German drummer who has played drums during 1980s in the bands: "Violent Force", "Sacred Chao", "Sodom", "Living Death", "Holy Moses".