I didn't see these litters under the fiction category and I think they'd fit :-]
September 2016 Pony litter are inspired off the Crystal Gems from Steven Universe. Rose, Steven (age 29), Pearl, Garnet, and Amethyst.
Archive, artist confirmation
The 2022 Halloween bats (black cage) are Phasmophobia inspired, from the cursed objects in-game.
Archive, artist confirmation.