In that time, he's established himself as a national icon, taking to the air every night at 11 p.m. to, as New Yorker editor David Remnick put it, "expose our civic bizarreries."
In honor of the end of his Emmy-winning tenure - though not, he reminds us, his actual end ("Guys, let me make something clear," he reminded his audience at a recent taping, The Week reports. "I'm not dying.") - we looked back on the incredible and winding career of the legendary comedian.