I was fortunate to catch Kinison's debut at the Comedy Store back in my Hollywood days (and daze)...
He'd started working there as a doorman and a buddy said "hey we gotta go see this guy, he's hysterical and they're giving him a chance".
As God is my witness, it was the hardest I've ever laughed; at one point I couldn't breathe and had slid under the table, and I was sober.
The place was berserk, as he'd of course viscerally articulated raging at stupidity or crappy circumstance.
George Carlin, by comparison, was almost restrained and scholarly...