I think he's one of the few people you can stick into any fandom or pair off with anything and it will always make perfect sense.

(Will that section not make sense if you were to post it then?
I was trying to write that epic crossover thing with angel!Derren but that's stalled now since Supernatural is one of the fandoms. My dislike of most of season 5 has apparently completely killed my ability to write fanfic involving SPN, which sucks)