Humor in Music

Just wanted to agree with Brian on his humor-in-music thread. I went back and considered all my favorite songwriters and sure enough, they're all pretty funny when they want to be. Movies too. And books.

Here's a thought, though. What about U2? Are they ever funny? I guess that song Lemon was kind of funny. What about Nick Drake? I've never listened to the words, so I don't know.