An add-on that adds unique mobs to the game, with the only requirement being that they don't exist in real life and have a unique function to the minecraft world!
This add-on has, for now, 6 mobs, not including variants, i will be updating it when i get some mob ideas!
THE WULKER

The wulkers are passive mobs that spawns in flower forests, they wander around the biome, creating flowers wherever they step, there is 5 variants!
CRYSTAL GOLEM

The crystal golem is a hostile monster that spawns on the deepslate layers of the caves, they are very strong but walks slowly, they drop rose crystal that can be turned into unique items and blocks, like rock candy, that gives 5 seconds of regeneration!

Here is an image showing the rose crystal block and the rose dagger! The rose dagger is an okay weapon but it breaks quickly.
IRON/GOLD CRAWLER
Crawlers are hostile monsters that spawns on the deepslate layers of the caves, depending on the variant, they will drop raw gold/iron nugget, with 4 of them you can make raw gold/iron!
SLATE BUG
Slate bugs are passive mobs that spawns in caves, if you are hungry, you can kill them and eat their flesh, raw or cooked! They can also be bred with bread and rotten flesh
WOOD GOLEM

Wood golems are passive golems that will attack mobs for you, they will shoot arrows to defend you!

There is 9 variants on the add-on, most of them having their own hability!

THETAL

The thetal is a tall and scary creature, they will chase you at high speed if you are near it, they spawn in forests.

They will drop gloom, with 1 iron and 4 gloom, you can get a gloomy bar, with 4 gloomy bars and 1 iron hoe, you can get the gloomy sickle, it is stronger than the iron sword!
Those are all the mobs for now.