I'm still trying to get a "feel" for instinct stackings so some of these might be off, esp so ones.
sx/sp
Bob Dylan
Louis CK
sp/sx
Mitch Hedberg
George Harrison
Kid Cudi
sp/so
Jimmy Kimmel?
(or sp/sx)
Simon Cowell?
Lady GaGa
sx/so
Chris Crocker
Kanye West
(or sx/sp, def sx-first)
so/sp
Paul McCartney