I hestitated, picturing what a killer whale costume might look like. But it was Halloween, so what the heck, right?
"Enjoy it while you can," I said, "because I promise - this will be the first and last time in your life you'll ever want people to point you out as a whale."
But there were no Free Willy costumes to be had.
So we went with a penguin.
"Look, it's Happy Feet!" people said, which I guess is a movie. And perhaps this is the last time she'll want to be known for her feet.