Sometimes I love it when worlds collide. I think this is kind of nifty, so I am risking the ire of IT Guy in order to post it.
Supernatural Connection to Dr. Horrible
From
Here:
"...And for those who detected the hand of Ben Edlund (The Tick) in the story, Joss confirmed it: Edlund worked on Horrible in the early stages but then "had to drop out." The supervillain Bad Horse was a character Edlund had pitched endlessly for Angel, Whedon's vampire-detective-lawyer show, and the minor bad guy Moist was Edlund's idea as well."
I'm betting the reason Edlund dropped out of Dr. Horrible was because he had to get back to the Supernatural scriptwriters' think tank for the last four episode of Season 3 after the end of the Writer's strike. ^.^