There are at least 8 artists under the name Multiplex.
1) Multiplex are Electronic Brothers
Christian and Roland Dormon.
They have releases on Toytronic, Senton, Humanshield,
Lom and U-Cover records - multiplexuk.bandcamp.com
2) San Diego synth pop duo formed in 2012 and uses various analog synthesizers and drum machines
3) One of the premier forces in Japanese grind/death, until their untimely break-up after their 1996 American tour with Hellchild.
4) A brazillian electrorock band from Sao Paulo formed in 2003 (www.myspace.com/multiplexbr).
5) Julian López, who's been producing goa trance since early nineties.
6) A Vietnamese metalcore band
7) D-beat punk from Bremen, Germany: https://multiplexpunk.bandcamp.com/
8) A Dutch dnb MC. The crazy red-bearded Dutchman is the in-house MC of Black Sun Empire and has several residencies in his pocket like Cheeky Monday & Blackout. He is also the frontman for Killer Hertz. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.