Funny, BUT . The anti-joke chicken is also the grammatically incorrect chicken. Guess WHOM I saw today. If the "who" isn't doing the action, it's "whom. [ the funny part is that the grammar is burning someone's butt!
I have a regular customer who is in his and every day he asks me guess who I saw today and I always respond Who? The look on his face when he says the punchline is well worth hearing this corny joke everyday.