Fandoms that I've seen

Shows and Movies
House of the Dragon
Game of Thrones
Supernatural
Good Omens
Marvel
Criminal Minds
Jurassic Park Franchise
The Middle Earth Franchise
Transformers Franchise
Harry Potter Franchise
The Witcher

Books
Wings of Fire
Percy Jackson
Anna Dressed in Blood (Ghost related)
Dinotopia

Anime's
Demon Slayer
Jujitsu Kisen
MHA
Blue Exorcist

More will be added later