Being such a powerful being, Pennywise clearly sensed that the yellow coloring was unsettling to Georgie, so he changed his eyes to blue on the fly as a way to make Georgie associate him with family and safety. This made Georgie all the easier to lure in to his bloody demise.
Did you notice something off about Pennywise's eyes in IT? Other than just being really creepy, they actually change color going from yellow to blue. But why does he do that? He changes them to blue in order to lure Georgie.
The character's eyes look in different directions, something that actually isn't a CGI effect. Bill Skarsgård did that 100% on his own – according to Andy Muschietti: “I told Bill, 'I want it in both directions, I want you to send your eyes looking away and give a really unsettling look'.
In the novel, It's origins are nebulous. He took the form of a clown most frequently, Mr. Bob Gray or Pennywise, but his true form is an ancient eldritch entity from another universe who landed in the town that would become Derry by way of an asteroid and first awoke in 1715.
Bill Hader did not know that the effect of Pennywise's eye movement is not a digital effect, but that it is Bill Skarsgård himself who does it, since he has a lazy eye and if he relaxes the muscle his left eye can move in various directions Did you know this curiosity?
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Why do adults not see Pennywise?
They reach the conclusion that Pennywise has all of the adults under some sort of spell that prohibits them from seeing him. The adults of Derry are shown to be villainous in their own right as well. The adults of Derry are shown to be true villains of the story in the same way as Pennywise.
Stephen King's IT introduced readers to a one-of-a-kind creature that can take any form, the most common one being Pennywise the Dancing Clown, and as menacing as it is, this creature has one big enemy it's truly scared of: Maturin, the turtle.
Pennywise the Clown is not a clown at all. The Pennywise the clown origin story sees an ancient, evil being that is perhaps as old as the universe itself. In the novel, however, the entity IT/Pennywise has a real name — Bob Gray. Bob Gray isn't human, however, and shares the same origin as IT.
In the novel, It's origins are nebulous. He took the form of a clown most frequently, Mr. Bob Gray or Pennywise, but his true form is an ancient eldritch entity from another universe who landed in the town that would become Derry by way of an asteroid and first awoke in 1715.
In It (2017), Pennywise changes the colour of his eyes from yellow to blue, which are the same colour as Bill's, to lure Georgie. "There were yellow eyes in there: the sort of eyes he had always imagined but never actually seen down in the basement.
It feasts on the flesh of humans simply because our fears are easy to manifest and they make us taste better. According to It, when humans got scared, "all the chemicals of fear flooded the body and salted the meat".
One of Pennywise's most recognizable features though is his ridiculously large head. My theory is that he's got such a big head because when he first came up with his Pennywise shape, he was basing his appearance on the humans that he had spent most of his time with: infants.
In the novel, It claims that its true name is Robert "Bob" Gray, but decided to be named “It”. Throughout the book, It is generally referred to as male, usually appearing as Pennywise. The Losers come to believe It may be female after seeing it in the form of a monstrous giant spider that lays eggs.
Making Pennywise IT's go-to form wasn't a random decision from King, who initially envisioned the creature as a troll like the one in the story “Three Billy Goats Gruff”, but later changed it to a clown as he realized that children hate clowns more than trolls.
Georgie Elmer Denbrough is a fictional character created by Stephen King from his 1986 epic horror novel It. Georgie is the younger brother of Bill Denbrough, and falls prey to Pennywise the Clown. He is used by Pennywise to taunt Bill throughout the novel.
Throughout Stephen King's It, Pennywise is referred to as a male, but author Stephen King pulled a fast one on readers in the It book ending by revealing the creature's true form was a pregnant spider, implying that it is, in fact, biologically female.
And if his victim believes him to be powerless, he will become powerless. And so the group figures out that their best bet is, essentially, to bully the bully: They mock Pennywise, telling him he isn't scary. Humiliated, Pennywise begins to shrink, transforming into an almost Benjamin Button–like, melted clown-baby.
It's possible that there really was a human version of Pennywise the Dancing Clown who lived in Derry and became possessed by the other-worldly entity, carrying out violence in the same way that Henry Bowers did.
However, it's favorite and most common form is that of a circus performer named "Pennywise the Dancing Clown," as most small children love a clown and generally, it seems that the people in Derry happily accepted the presence of a stray circus performer.
It describes that it prefers to kill and devour children, not by nature, rather because children's fears are easier to interpret in a physical form and thus children are easier to fill with terror, which It says is akin to marinating the meat.
The prosthetics made him drool excessively but they leave a lot of that in the movie as director Andy Muschietti felt it nicely fit into the ravenous nature of Pennywise. The drooling around children was worked into the story. 12.
The novel explains that IT landed on Earth during an asteroid impact and established itself under the land Derry would be later built on, and initially preyed on indigenous tribes. From that point of view, IT/Pennywise would be billions of years old, but his clown shape wouldn't be that old.
