Specmobs

Flame Evoker

Flame Evoker spawn in raid, using flame attacks instead of fangs.

Gatling Skeleton

Gatling Skeleton can shoot consecutive arrows. Enhanced version will shoot random potion arrows.

Piston Zombie

Piston Zombie can throw mob at player, and can also hit player to fly.

Disco Zombie

Disco Zombie has leather armor that constantly change color, and he can summon weaken baby zombies.

Group photo

The following monsters all have special abilities.

Potion Zombie

Potion Zombie can throw potion at players or use spell to recover health to surrounding monsters.

Necromancer Evoker

Necromancer summon zombie villagers instead of vex, and revive other illagers into zombies after their death.

UAV Zombie

UAV Zombie can launch dispenser UAV to shoot arrows at player.

Knights, Furnaces, and Gatling

Rare zombies of skeletons gained special abilities.

Ender Dragon is summoning end crystal.