The Shadow Man entity

https://www.reddit.com/r/Ghoststories/comments/1qs45e4/weird_shadow_man 

https://heidihollis.medium.com/the-hat-man-letters-by-the-woman-who-trademarked-the-devil-16608214edeb

https://bloody-disgusting.com/editorials/3788890/shadows-of-ourselves-the-unexplained-phenomena-of-shadow-people-dead-time 

https://longforgottenhauntedmansion.blogspot.com/2013/08/the-shadow-man.html 

https://puzzleboxhorror.com/the-appearance-of-the-shadow-man/

https://villains.fandom.com/wiki/Hat_Man_(folklore) , https://heidihollis.com/hat-man

https://www.reddit.com/r/Paranormal/comments/1rwg1b/looking_for_some_information_of_a_shadow_man_in_a/ 

https://heidihollis.com/shadow-people For some people this can simply be dismissed as folklore or B$.

https://villains.fandom.com/wiki/Shadow_People_(folklore) 

https://www.primevideo.com/detail/The-Shadow-Man/0TAE5K76TCQ28M8SSX8H8GZZR5 , https://www.imdb.com/title/tt4363990 

https://villains.fandom.com/wiki/The_Black_Hat_Man

https://www.helenfields.com/shadow-man Of course this isn't always a paranormal character. 

https://www.goodreads.com/book/show/239515587-the-shadow-man

https://en.wikipedia.org/wiki/Shadow_Man_(video_game) 

https://monster.fandom.com/wiki/Shadow_Person 

https://en.wikipedia.org/wiki/Shadow_person 

https://www.gaia.com/video/shadow-hat-man-heidi-hollis

https://tv.apple.com/gb/episode/shadow-of-the-hat-man-with-heidi-hollis/umc.cmc.4sgbqrl1o5l8yauokdg3kfcgr?showId=umc.cmc.5ct55ees7rj4ez10ja4q5xxha

https://creepypasta.fandom.com/wiki/The_Hatman