who is actualy more irritating to huck than the widow

I'd have to vote for Pap; there's really nothing about him to like, although I have to admit Huck did find some good qualities in the old sot.

My second vote because you've only asked for 'irritating' here would be the Phelps. He doesn't want none of their 'civilizn.' But they're very likeable people if you can move beyond their belief in slaver.