Ender Zoo Mod 1.12.2/1.11.2/1.10.2 has recently added plenty of mobs that you have not ever seen in the game. Each of them comes with different abilities and features.

About Ender Zoo
Here is the list of features that the mod has provided.
Mobs
Enderminy
Friendly Enderminies start in forests or swamps in small groups. They can launch fists, teleport.
They drop Ender Pearls and/or Ender Fragments. Fragments can produce an ender pearl or charges.
Fallen Knight
They use swords or bows within matches.
They’re in the open plains on the site of a past fight. They ride steeds.
Fallen Steed
They are scary mounts going with Fallen Knights.
A mounted archer is pretty dangerous to handle.
Concussion Creeper
They drop gunpowder, confusing powder, or ender fragments.
Wither Witch
They know the secrets of the Wither. They can brew the most poisonous potions. You can loot their methods by defeating one of them.
Wither Witch’s Cat
They are companions. They become aggressive if you battle against their owner.
Dire Wolf
They inhabit snowy forests in small teams. They ignore visitors.
Owl
They appear in warmer woods and along rivers. Their food is spiders. Eggs can create Potions of Rising.
Enchantments and Potions
There’re Withering and Decay enchantments, Potions of Decay, Potions of Nausea, Potions of Rising.
Blocks and Items
3 new varieties on TNT, Confusing Charge, Ender Charge, and Concussion Charge.
Ender Zoo is a mod about mobs, with Complete Spawn Control and Global Difficulty Control as well. It requires Minecraft Forge.
Requires:
Screenshots