Zombie

Undead Fortitude (1/Day). If the zombie is reduced to 0 hit points by damage that isnt radiant or from a critical hit, its instead reduced to 1 hit point, falls prone, and is stunned until the end of its next turn, appearing to be dead.

Undead Nature. A zombie doesnt require air, sustenance, or sleep.

Grab. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6 + 1) bludgeoning damage. If the target is a Medium or smaller creature it is grappled (escape DC 11). Until the grapple ends the zombie can't grab another target.

Bite. Melee Weapon Attack: +3 to hit, reach 5 ft., one grappled target. Hit: 6 (1d10 + 1) piercing damage and the zombie regains the same number of hit points.