Mutant Creatures (1.6.2) is a mod created by thehippomaster21 which adds 5 mutant versions of existing mobs. All except the Mutant Snow Golem spawn naturally. The mutants are-
- Mutant Creeper
- Mutant Zombie
- Mutant Snow Golem
- Mutant Enderman
- Mutant Skeleton
There's also a tameable Creeper Minion. It also adds Chemical X which can be crafted and used to directly make a mutant. The mod also adds some new items and weapons.
- Creeper Shard
- Creeper Stats
- Hulk Hammer
- Endersoul Hand
Minecraft Forums:http://www.minecraftforum.net/topic/1336132-152-spmp-mutant-creatures-mutant-enderman-v134/