He's gruff, he’s angry and he hates rabbits or all other varmints for that matter. But whether he is a knight, a cowboy or a Viking, Bugs always gets the best of him. Nevertheless, Yosemite Sam is probably more of a threat to him than any other character.
He is probably the world's biggest loser. He never learns from his mistakes, but he has a tenacity and determination that can't be equalled. One of these days in all his determination and obsessiveness he will catch that bird or die trying!