Mobs

Armadillo

Armadillo: Spawns in savanna and badlands biomes.

Allay

Allay: Find it imprisoned at pillager outposts or inside woodland mansion jail rooms.

Axolotl

Axolotl: Spawns underwater in Lush Caves when clay is nearby.

Piglin Brute

Piglin Brute: Generates with bastion remnants and does not respawn there.

Hoglin

Hoglin: Spawns mainly in crimson forests and some bastion remnants.

Phantom

Phantom: Appears in the Overworld night sky after the player avoids sleep for several in-game days.

Shulker

Shulker: Generates on the walls of End Cities.

Wither

Wither: Player-summoned with 4 soul sand or soul soil and 3 wither skeleton skulls.

Ender Dragon

Ender Dragon: The boss of the central End island; enter the End portal to reach it.

Iron Golem

Iron Golem: Created by villagers under the right village conditions, or built from 4 iron blocks and a carved pumpkin.

Zombie

Zombie: Spawns in dark Overworld areas; some variants also generate in structures.

Skeleton

Skeleton: Spawns in dark Overworld areas and attacks with a bow.

Drowned

Drowned: Spawns in ocean and river water; some hold tridents or nautilus shells.

Blaze

Blaze: Spawns in Nether Fortresses, especially from blaze spawners.

Wither Skeleton

Wither Skeleton: Spawns inside Nether Fortress bounding areas.

Guardian

Guardian: Spawns in and around Ocean Monuments.

Elder Guardian

Elder Guardian: Three generate in each Ocean Monument and apply Mining Fatigue.

Ravager

Ravager: Appears in later waves of village raids.

Vindicator

Vindicator: Found in woodland mansions and village raids.

Evoker

Evoker: Found in woodland mansions and later raid waves; drops a Totem of Undying.