re: most unlikeable characters

Assuming we are going with the characters being portrayed and not just hating on, say, someone like Jane Fonda or Alec Baldwin...These shits, the entire self-indulgent, smug, holier-than-thou ensemble of The Big Chill. If Godzilla could have come up from the ocean and eaten them all I'd be good with it. They are the warp and woof of the modern liberal, leftist democratic party.

Sir Richard Rich/John Hurt in A Man for All Seasons.
This despicable turd from The Departed.