I like Beefy187 as a vig kill. Sorry Beefy, I don't know what you've been smoking this game. You're acting like you don't know what the game setup is.
But Methos also tickles my funny bone.
And I'm very sorry, but Kukrikhan would make another excellent choice. He can easily survive a long time by simply doing nothing scummy... and then occasionally act like he has no idea what's going on.

I had Tincow on my list but now I am not sure. He's certainly capable of being this smooth.