And thus comes full circle. Sammy was hated in early seasons for something he could not control and called an abomination. Now Dean is the Demon and Sam is the righteous man. <---while Dean was a demon yes.
I'm so glad I came across this! I just watched Percy Jackson yesterday and was like. Also, for those who didn't catch it, Death (spn) is the Ferryman in Percy Jackson =D<-----wow now I want this crossover.