Vanilla is a product of Lussumo:
Documentation and Support.
Incidentally, Sonja Blue was also my introduction to the World of Darkness vampires - that crossover novel ... A Dozen Black Roses, I believe it was called. For a long time I thought the worlds were one and the same, so it was an interesting surprise when I discovered otherwise.
It's been speculated that the whole of the White Wolf roleplaying thing was ripped off wholesale from Sunglasses After Dark, but when it came to suing, Nancy Collins had to take the attitude that she couldn't beat them, so she'd profit by joining them instead.