User blog comment:Chaos11394/Any Ideas for new villians for future seasons!/@comment-2011995-20130903210723/@comment-11331875-20130903213111

Funny you should mention him, because he shows up in my mental rewrite of Season 5. Still working on how/when/if the Winchesters defeat him. But he'd fit right in in Supernatural, and he could be a really neat recurring villain if they want to add some freshness to the whole angel/demon line-up.