Hulu's Grimcutty trailer tries its hand at a sort of Slenderman

 https://www.avclub.com/hulu-grimcutty-trailer-bootleg-babadook-1849535977

There are all kinds of monsters and after a while they just becomcome a standard scare.

https://collider.com/grimcutty-trailer-sara-wolfkind-hulu/

https://www.movieinsider.com/m20767/grimcutty