Create-a-Supergroup!

Band Name: Brain Damage

Mikael Åkerfeldt (Opeth) - Vocals/Guitar
Trey Azagthoth (Morbid Angel) - Guitar
Sean Malone (Cynic) - Bass
Tomas Haake (Meshuggah) - Drums
Per Wiberg (Opeth) - Keyboard/Vocals

Their sound would be described as progressive death metal (a la opeth/cynic/edge of sanity) with psychedelic tendencies (pink floyd/the zombies/moody blues). Basicly it would be all out death metal furry mixed with softer trippy parts.
 
Mike Portnoy - Drums
Adam Jones (tool) - a Guitar
Cliff Burton - Bass (who else?)
Jerry Cantrell (AIC) - other Guitar / backing Vox
Akerfeldt/Layne Staley - Vocals

oh oops...
I mean

Lopez - Drums
Mendez - Bass
Per - Keys
Guitar - Lindgren
Guitar/vox - Akerfeldt
 
Mike Portnoy - Drums
Adam Jones (tool) - a Guitar
Cliff Burton - Bass (who else?)
Jerry Cantrell (AIC) - other Guitar / backing Vox
Akerfeldt/Layne Staley - Vocals

oh oops...
I mean

Lopez - Drums
Mendez - Bass
Per - Keys
Guitar - Lindgren
Guitar/vox - Akerfeldt

Akerfeldt and Staley? That would be epic!
As for keyboards, I'm surprised no one has included Richard Barbieri, he has skills.
 
band name: :kickass:

jeff loomis - vocals
jonas renkse - guitars
george kollias - guitars
nergal - keys
mikael akerfeldt - drums
 
Mike Portnoy - Drums
Adam Jones (tool) - a Guitar
Cliff Burton - Bass (who else?)
Jerry Cantrell (AIC) - other Guitar / backing Vox
Akerfeldt/Layne Staley - Vocals

Shit! That's fucking orgasmic! They'd have to reanimate Layne though.
 
Chuck Schuldiner - guitars, lead vocals
Trey Azagthoth - guitars
Cliff Burton - bass, vocals
Tomas Haake - drums, percussion
 
Lead Guitar - John Petrucci
Second Guitar/ Vocals - Mikael Ackerfeldt
Keyboard/ Vocals/ Producer - Steven Wilson
Bass - John Myung
Drummer - Gavin Harrison
 
Drums - Neil Peart
Bass - Tony Levin
Keyboards - Jordan Rudess
Lead Guitarist - David Gilmour
Rhythm Guitarist and Vocalist - Mikael Akerfeldt
 
I'll steal your idea there Mantraschism (and godlike lineups btw).

Black Metal:
Vocals - A four piece tortured scream attack by: Rainer Landfermann, Nattramn, Niklas Kvarforth and Arioch (and with Nattefrost as a joker)
Lyrics - Mikko Aspa and Kim Carlsson
Guitars - Hasjarl
Lead Guitars - Jon Nödveidt
Bass - Skoll
Drums - Necromorbus
Keyboards - Varg Vikernes

Death Metal:
Vocals - Mikael Åkerfeldt
Guest backup vocals by - Karl Sanders, Glen Benton, Chris Barnes, Dan Swanö, David Vincent and Chalky (from Psycroptic)...man that would be intense.
Guitars - Chuck Schuldiner
Guitars - Trey Azagthoth
Bass - Steve DiGiorgio or Alex Webster
Drums - Gene Hoglan

Progressive Rock/Metal:
Vocals - David Gilmour (backed up by Steven Wilson and Mikael Åkerfeldt)
Guitars - David Gilmour
Guitars - Andy Latimer
Bass - Jaco Pastorius
Drums - Neil Peart
Keyboards/Mellotron/Hammond etc. - Ken Hensley
Songwriter - Steven Wilson
 
band name: Ass Kickers :kickass:

vocals:mikael akerfeldt(opeth)
soprano vocals:liv kristine
drums:joey jordison(slipknot)
1st guitar:mike amott(arch enemy)
2nd guitar:kirk hammet(metallica)
bass:steve harris(iron maiden)
keyboards:per wiberg(opeth)
 
Thanks, BlackLodge. =]

I'm gonna make a new one now....

Melodic death metal:

Mikael Stanne - Vocals
Bjorn Strid - Vocals
Peter Wichers - Guitar
Henry Ranta - Drums
Anders Bjorler - Guitar
Martin Mendez - Bass

(The guys from Soilwork, I'm thinking of 'A Predator's Portrait' era.)

Edit: By the way, +1 for the Akerfeldt/Staley idea. \m/

I'd like to put together something with the late Jeff Buckley and Imogen Heap....