User blog comment:Guardian Assassin/Theories, Fanon, and Other Absent-minded Ramblings: Part 2/@comment-3982778-20110515031353/@comment-3568630-20110520185832

Well, it didn't particularly surprise me, but I was glad they confirmed it. Anyway, I figure that TWCB probably just originated on Earth, and evolved into the advanced civilization that we've seen.