Normal Minecraft only gives you two options when it comes to pets, a boring wolf and ocelot. Minelennium pets is a minecraft mod that will add in mini versions of all the minecraft mobs. If you ever wanted a mini Iron Golem to fight against the monsters at night then this is the mod for you.
Download link: Minelennium Pets Mod for Minecraft 1.8
Read more: Minecraft 1.8 Mod