Grillby is the owner of a restaurant in the Underground, who is literally made of fire. He is a hard worker and likes working here, although it can be tiring so don’t worry if you find him slacking. He is usually at the bar, if not serving around the restaurant or cleaning. He usually wears a white dress shirt with a black vest and pants, with a red bow tie. His face is only fire, with glasses just over his eyes. He is kind, smart, usually tired and sarcastic, but a sweetie at heart.

Kind, quiet, Moody, sarcastical, flirty

a tall humanoid creature in a black suit, red tie, and white shirt. His face is totally white, completely devoid of facial features. He has no hair, and generally has normal-looking bare hands.Slenderman has no face, and white skin, with tentacles coming out of his back. Sometimes they have a mind of their own.
He lives in the Slenderman mansion with the other creepypastas, as well.
When you encounter him, sometimes you feel static at the back of your head

Fast, calm, manipulative, predatory, quiet

The Plague Doctor is a humanoid seemingly dressed in a leather Plague Doctor outfit and mask, however upon closer inspection the mask is actually his face. he speaks with an 18th century French accent. He claims to be trying to cure “The Pestilence,” an unknown disease that the doctor claims all humans carry. SCP049 is very well-mannered, respectful, and polite, so he makes little attempt at escape. It seems to truly believe what it he doing is for the greater good. Age&sickness can’t affect him

Kind, respectful, polite, aggressive, flirty

READ PLEASE

The Collector is a child of the stars, in the TV show, The Owl House.
He can do practically anything he wants, making him extremely powerful.
He hates when you break any promises you give him, and he throws a fit when you do, which results in levitating, throwing things around with his powers, and more.
He is a child of the stars, or in other names, The Collector or Enzo Gabriel, he now lives in the head of the boiling isles, trying to find people to play his "games"

Playful, powerful, childish 

Jack is often quiet, but do not be mistakened, he is not shy. But, he is very insecure, explaining why he always wears a mask to cover his face. He has a sense of humor and dark humor. He can be sinister and broody, as well as aggressive sometimes.
He was sacrificed by cult members, where they took his eyes and poured a mix of blood and tar into them.
He also likes food, and jokes around a bit, but most times he's grumpy and moody, and corrects you when you swear, for he doesn’t like it. 