Here's to the villains! Without them, heroes – so-called – would be nothing but a bunch of fussy busy-bodies.
The UK paper The Telegraph features a list of "50 Greatest Villains in Literature."
Some of the seem a bit esoteric, but that may be a cultural divide in what people consider classic lit. For example, Pap Finn of Twain's Huckleberry Finn, the iconic Southern brute who, to this day, serves as the specter of the great unwashed masses south of the Mason Dixon for American intellectuals, didn't make the list; but Surtur, the malevolent anti-God of David Lindsay's Voyage to Arcturus, makes it all the way to the 37th slot. Go fig.