The Weasley twins are inseparable... AN: Will start out mostly canon, but I am going to have fun with these two. I will start on this after I read all the books, though.
Sam, Dean and Castiel accidently get trapped in our universe where their life is a TV show, but unlike the universe in 'The French Mistake' everyone seems to get along great. If that wasn't enough to deal with, Cas has picked up prayers from a scared female who appears to have become an angel the same night they got trapped. Now they have her to take care of without attracting too
Reference Piece for My Supernatural stories
What if J.K. Rowling took creative license with Harry Potter's life...