Pearls Before Swine by Stephan Pastis for December 31, 2008
Transcript:
Christmas tree girl says, "Hello, Rat?It's me, the Christmas tree girl?I'm going to a party and I'd like you to come." Rat says, "Can't. I'm stuck in a big, fat cloud of depression." Christmas tree girl says, "Well, that's silly. If you're depressed, a party is just what you need, come. Talk to people." Rat says, "Pakistan has the bomb and we're all gonna die." Christmas tree girl says, "let's go."
Who’s the Christmas tree girl? Has she showed up previously?