Homestuck
Little Shop of Horrors
Portal
Dandy's World
Alot of animes
Bugbo
Gravity Falls
The Amazing Digital Circus
Spooky Month
Object shows:
Inanimate Insanity
Bfdi/Tpot
Animatic Battle
It's Time For The
Excellent Entities
Hfjone
Splatoon
Sprunki
Regretevator
Sally Face
Warrior Cats
Danganronpa
Invader Zim
Vocaloid (+ Project Diva and Project Sekai)
Junji Ito
Undertale
Deltarune
I Have No Mouth And I Must Scream
Electric Dreams
Shrek
Various Musicals
Cookie Run: Kingdom
Lacey Games
Dhmis
Ddlc
Lucky Star
Win or Lose
Forsaken
Roblox Hackers
FNaF
Bold would be a current or past hyperfixation
Underlined are my favorites