Okay so this thread may have been done but I've done a couple of searches and I haven't found any topic like this which is strange! Mods feel free to kick my butt if I'm wrong!
IT has always been my favourite SK story, because it was the very first SK novel I read and it got me hooked, but I've always wondered exactly what IT is and I'm sure I'm not the only one so I thought I would start this thread so everybody could put their own theories forward.
I always thought of IT as being part of a race of higher beings, that race being opposite to the race of The White. I.E The Turtle. Pennywise is a shape-shifting vampire that feeds off of emotions, the same as Dandelo in DT and Ardelia Lortz in The Library Policeman. (I'm racking my brains trying to think of others right now but unfortunately my SK collection is back at my Mum's house at the moment!) The very fact that Pennywise is a female and reproduces (or at least tries to) surely shows that IT is part of a race and not a 'one-off'. Also, the closest association the human mind can make with her truest form is insectile, much like Ardelia and Dandelo. I would speculate that the Crimson King is the leader of this race, as his truest form is seen as a spider, the same as his son Mordred. (I can't for the life of me remember where the quote backing this up came from, but I know I've seen it and I'll have to just go through all my books when I get back to Mum's and find it!)
Okay, so there's my theory. Any thoughts?