Life
Smallpox
A philosorapper
Because hes Russian (rush-en)
A computer accepts a 3.5 inch floppy
They don't find them Hume-erous.
They all left.
Ten. (Shame this one doesn't work too well for reddit - the funniest part of this joke is the third punchline enjoying people struggle to understand what the hell you're talking about.)
You provide a random set up and we provide the punchline (PTP). Most upvoted wins imaginary internet points.