The Brutalizer Zombie is a large zombie made to fight iron golems, it looks like a larger zombie that occupies a 2 block wide, 3 block tall space.
The Brutalizer has 80 health and deal 3½ to 8½ of damage. It is slower than a zombie, but more deadly.
The Brutalizer is activley aggressive towards Iron golems, and will attack them before villagers. The brutalizer will even stop attacking villagers to attack a nearby iron golem.