User blog comment:LucidPigeons/Category Cleanup/@comment-366087-20160301040504/@comment-2059440-20160301175001

"Big Bad" did originate in Buffyverse but TV Tropes took it, the term is not useful for us anyway.. it just leads to misinformation and abuse (Big Bad was what Buffyverse used to denote the central antagonist of a season (Master, Mayor, Adam, Glory, The First).