I'm credited with writing the first ever SPN fanfic, also the first Wincest, posted the day after the pilot aired. Funnily enough, it was a year or so later I found out it was the first.
I didn't go on to write many more in this fandom though I'm still watching. Haven't missed an episode.
Reunion
http://supernaturalfic.livejournal.com/550.html