hmm what type of fandoms do you mean like shows,anime?
uhm... I'm gonna say the series I know... that are not anime
Stranger Things
ATLA and LOK (they're a package deal ALSO NOT AN ANIME)
Creeped Out
She-Ra
How to Train Your Dragon: Race To The Edge (I also know the movies)
Gravity Falls
Miraculous Ladybug
Black Mirror (kind of)
The Good Place
The Owl House
and I can't think of much else