Pearls before swine

Pastis: Hey, Rat... What are you doing?
Rat: Well, since I got a job writing epitataphs, I thought I'd write yours.
Pastis: Do I want to see this?
Rat: Oh, sure... It's more complimentary than you'd probably imagine.
Poetry:
            He drew cartoons.
            But they were rotten.
            And that is why.
            He's now forgotten.
Rat: You seem upset.