I used to use "witch" as a password. I remember signing up to something on the Penguin many years ago using the password witch (I think it might have been some photo gallery that you had to sign up to?) and I got an email from Marty saying "How many times do I have to tell you Stevie isn't a witch".
I have also used Rhiannon and Stevie as passwords over the years. I can say that now as I don't use them these days...