Mobs

 Passive Mobs

These are not dangerous. 

1. Bat
2. Cat
3. Chicken
4. Cod
5. Cow
6. Donkey
7. Fox
8. Horse
9. Mooshroom
10. Mule
11. Ocelot
12. Parrot
13. Baby Piglin
14. Pig
15. Baby Polar Bear
16. Pufferfish
17. Rabbit
18. Salmon
19. Sheep
20. Skeleton Horse
21. Squid
22. Strider
23. Snow Golem
24. Tropical Fish
25. Turtle
26. Villager
27. Wandering Trader

Neutral Mobs

 These are sometimes hostile and sometimes passive. 

1. Bee
2. Cave Spider
3. Dolphin
4. Enderman
5. Iron Golem
6. Llama
7. Adult Piglin
8. Panda
9. Polar Bear
10. Spider
11. Wolf
12. Zombified Piglin

Hostile Mobs

These are dangerous mobs. 

1. Blaze
2. Chicken Jockey
3. Creeper
4. Drowned
5. Elder Guardian
6. Endermite
7. Evoker
8. Ghast
9. Guardian
10. Hoglin
11. Husk
12. Magma Cube
13. Phantom
14. Piglin Brute
15. Pillager
16. Ravager
17. Ravager Jockey
18. Shulker
19. Silverfish
20. Skeleton
21. Skeleton Horse
22. Slime
23. Spider Jockey
24. Stray
25. Vex
26. Vindicator
27. Witch
28. Wither Skeleton
29. Zoglin
30. Zombie
31. Zombie Villager

Boss Mobs

These are more hostile mobs, but more dangerous. 

1. Ender Dragon
2. Wither

https://minecraft.fandom.com/wiki/Mob(I'm only using mobs currently being used, check this out for all the mobs.)