Penguins are an uncommon mob in the Outer rings.
They seem to be based on real-life Emperor penguins and Macaroni Penguins. The Emperor penguins are much more common than the Macaroni penguins.
Health: 20 Speed (normally): 30 Speed (sliding): 80
Penguins tend to wander around in the Outer rings, forming huge groups. Babies tend to gravitate towards the middle of the pack, where it's warmer.