User blog:The Mind Player/Zanna?

Apart from Reese(And those who wrote Zanna Lore), do you think any other adult human knows about Zannas?

If so, do you think there are hunters who "hunt" them? Redudance apologies...

Also, what would John Winchester done if he had found out(Assuming he did not) that Sam's Imaginary friend was not imaginary but a magical creature