Here's some for part 5.
Hide Behind:
_Has 7000 hp.
_Can sneak up on people
_When seen, it attacks.
_It would look nice at first but looking at it, triggers it.
https://twitter.com/slimyswampghost/status/1250875424093147138/photo/1

Here is the monsters for the 6th part
The frog
Mouth Ghost
alien ghost
Smile ghost
Blob monster
Teke Teke
The class monster
Sky tentacles
Creeper (update)
Hell hound (update)
Tree monster (update)
Hazmat ghost (update)

Here's my Pack 5 ones:

_Night Dog
_The Dancing Reflection
_The Little Crowd and The Little Crowd(Child)
_The Class
_Shattered and Shattered (Hostile)
_The Night Watchman
_Closet Creep
_Hazmat Suit
_Tentacle Dog(Update)
_Watchtower(Update)
_Alien Ghost(Update)
_Homebody(Update)
_The Nervous Houseguest(Update)
_The Unannounced Houseguest(Update)
_The Skinned Cow(Update)

Yeah a lot of monsters are in there.

night watchman

tenacle dog

tenacle dog