Zombie Shark Or megalodon as Boss fight

attacks

Bites

Spurt out bombers

Body slam

swiper zombie

Juggernaut

Tankbeast as a boss fight

Parahound

Spider crawler

Drinol as a boss fight
It got armor and Deflects the bullets
But there a weak spot
Shoot the glowing stomach
Attacks
Sharp arms
Roll attack

Bangers

Parasite Mortar

also can spawn parasite Grunt, parasite spider, sicklers, parasite drone and powder

like a spawner

Sire aka elite zombie

Mutant parasite spider

Strider

Parasite Grunt

Parasite elite spider

Parasite dog

Parasite monkey

Thrasher

Hunter beast as a boss fight