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Analyzing the SM6 cast line up teaser
More fun for the non-patrons as a height chart of episode 6's characters dropped and I have *thoughts*
Before we delve into the analysis, be advised that this will reference my SM6 prediction post, which can be found here.
And out last bit of preface

These three new characters teased in an earlier update are hereafter referred to as the businessman, the new mortician and the cat lady.
Bear that in mind.

So here's the 2 lined height chart, so let's start putting names to these blobs!
Line 1: The Thieves, Lila, Skid and Pump, Susie (she's pretty hard to see, but you can mostly notice her shirt and hair), Mr. Wonder, Jaune, Jaune's Husband (who was shown in full in an earlier update).
The next figure at first appears to be another shadow, but upon closer inspection seems to be Father Gregor, after that we have;
The Cat Lady, Dexter (likely in another missing ad or for his body being unpossessed, if for a moment), Patty, John and Jack, then we have the first totally new character, a massive person (taller than Frank, making them the new tallest human in the series) who brings me to my first new theory:
This character, whose proportions are highly evocative of a cartoon vampire, will be either yet another new mortician, or in charge of the hospital's blood bank. Funnily enough, this actually matches weirdly well to a half-joking conversation me and @crossover-enthusiast had the other day.
Line 2: Skid and Pump again (for reference), Ross, Robert and Roy, Kevin, Radford (in his teased casual outfit), the actor in the Happy Fella suit, Mayor Evermore, The New Mortician and then... Roy's Uncle??!?!
This might be my biggest validation yet, as I've had a thought for some time of us first seeing the New Demon in hell, torturing the Uncle, if this ends up being true, I am officially the king of the SM fandom!... Where were we?
Oh yeah, we then have; Ignacio, The Businessman, Frank and yet another totally new character, a portly person I have no solid theories on.
Before I leave, I'd like to mention some characters who are missing here (other than Moloch and any other supernatural characters who might appear). Those being; Lucky, the Actor and Actress and Rick.
Rick is the only notable outlier, as he's a relatively major character, so where is he?
Well, I think Rick's absence is quite simple to explain. While not outright confirmed, Rick is heavily implied to be working at Gonuts in episode 6, meaning he's wearing a new uniform. I think Pelo just didn't want to spoil this, and so left Rick and his new outfit out of the line up.
And that's all I've got! One last note before we're done here, I'm pretty sure next week's update will be the episode 6 trailer, so there's that.
The Tree Banshee theory
This is a theory predicting the role of Spooky Month's most enigmatic monster, one many fans might not even know about yet, so sit back and enjoy!

Watching HS for a second time, Gregor's pose here stuck out to me, so I went back to check my hunch...

Yep, he's in the same pose as the figure on the left wing of the gate. But what about the tree like figure on the right wing?
Well, for that, we turn to the movie theatre, many fans know about the demon priest poster that foreshadowed HS back in TT, well we see a very interesting poster for a second in episode 6

"The Forest Sight", huh?
Now for the clencher, we turn to an image from the arg

The same eye patterns, and a ghoulish being I've come to call the Tree Banshee, you might remember it for it's scream in TT or for an illustration of it in the book from the TT arg.
I believe this entity also somehow benefits from sacrifices made to Eyes and that it will be a/the major monster of a future episode, which lines up well with my idea of Roy's episode being about him chasing Skid and Pump into the woods, where they get lost.