One for you fans of Buffy the Vampire Slayer (wiki) and Angel (wiki) (and all things Joss Whedon (wiki):
Since her birthdays always sucked pretty badly, she probably wouldn't be celebrating even if the show was still around. Here are Buffy's birthday catastrophes, chronologically:
Here's an article on the theology of Angel.
The Buffy Thanksgiving episode: "Ritual sacrifice, with pie".
Definitely time to re-watch!