Are the Night Flier and Popsy the Same Creature?

[motocop]

They do seem like the same creature. But if the popsy was able to fly and land on top of the moving van, why did he need a plane? Maybe his bat wings get tired after a while. He is a grandfather.

[Coconut]

You know I was just replying on another thread that I didn't think they were, but King's notes definitely brings some definitive closure to that question. Just how there's mention of Selena Claiborne in Home Delivery. I should I known.