Creepers

Creepers are hostile mobs that's main form of attacking is getting near the target, and blowing itself up, killing itself, the target, and destroying most of the surrounding terrain. Creepers were a mutation of a Pig by a Shadow, and were originally made dark green to blend in with the foliage, making it more destructive. Jeb weakened the Creeper by making its skin lighter and more distinctive, however being the weakest of the Developers, could not delete it completely.