Which NPCs are immortal?

The following NPCs have "can_die" set to False in a special trait:

Batuu NPCs- Agnon, Kylo, Rey, Vi, Hondo

Bonehilda
Active Criminals while in the Detective Career (so they don't break the career)
Flower Bunny
All Ghosts, including the Nightstalker (Realm of Magic), your Sleep skill clone (Businesses and Hobbies), and the school ghost (university)
Guidry
Agatha Crumplebottom
Agnes Crumplebottom
Roberto Crumplebottom/Mysterious Rancher
Alice Basu
Edith Basu
Lady Ravendancer Goth
Waylon Warez
Skeletons
 Father Winter
Infants
Pregnant Sims
hidden Alien Pollinator
Chalet Gardens ghosts
City Living apartment repairmen
Emit Relevart
Grim Reaper
Plant Sim NPCs from the long-forgotten plantsim challenge
Premade Property Owners from For Rent
Statue Buskers
City Living Weirdos
Tragic Clown
Love Guru
Missing Pets
Trashley
Alex Moyer (Tutorial)
Baby Ariel
Ring Bear
Yamachan
Greg