BuddyTV posted this list, which includes some well-known facts, and some that might surprise you! For instance:
Dean is a Huge Classic Rock Fan
He has used famous rock musicians as his alias throughout the series and claims that his favorite songs are a tie between Led Zeppelin’s “Ramble On” and “Traveling Riverside Blues.”
(not a shocker)
Dean Has Killed the Most Main Antagonists on the Show…including Azazel, Eve, Dick Roman and Ruby.