mutant zombies and mutant creepers. this is a mod you can not find it unless you have this mod. the mutant zombie it can regenerate heath at night. it can also sommon oter zobies.once a mutant zombie falls down you have to set fire to it and it will die it drops a sledge hammer. the mutant creeper it will blow up in your face and not die!!!! and it can sommon other creepers it can also headbutt you once you kill it it will drop a creeper shard and if you hit mobs with it it will charge up and if you hit somthing it will blow up. it also drops a creeper egg if you put it on your head to 3-4 nights it will hach and it will act like a dog.