Pusbag
If you think zombies are disgusting, wait for a Pusbag Abomination to show up. This monster is the scavenger of the zombie species, eating every corpse it can find, zombie or not, fresh or not, rotten… especially rotten. The name says it all: the result is an infected, bloated, walking piñata of everything sick and filthy you can imagine, being slowly digested by its own putrid juices.
The stench alone makes standing near a Pusbag a feat in itself. Don’t you dare, however, being in the vicinity when this grotesque monster is slain! Its toxic contents tear through the fat, and explode in an acid fountain of melting flesh, wood, and metal alike.