It something he actually said in 1999 about his own personality being a combination of Jeeves and Wooster (presumably way back in the day, before Jooster was a thing): here (http://www.independent.co.uk/arts-entertainment/you-ask-the-questions-stephen-fry-1113423.html) is a link to the article from The Independent.
I don't know about the Sherlock glowing rabbit ... I was thinking of Alba (http://en.wikipedia.org/wiki/Alba_(rabbit)) who had genes from the beautifully named Aequorea Victoria jellyfish (and I guess she didn't exactly glow in the dark, but then this whole story takes a few liberties with the facts).

P.S. "I myself really want flesh eating disease for my birthday" is a great sentiment!