Sheep

Sheep are quadrupedal creatures with mass amounts of black or white fur. Gnarl mentioned that they only have 7.5 brain cells. They all drop brown Lifeforce and that all they do is chew grass until something kills them. Although most of them don't fight back, the rams do as their horns can damage both the Overlord and minions. The other minions refer to them as "sheepies".

In Overlord: Raising Hell some sheep found in the Abyss can turn into walking bombs. They run up to the Overlord and if you or your minions hit them, begin jumping, and start following you. They then end their pathetic lives by exploding.