Wolf unit

Wolves are ferocious beasts that inhabit the forest of Level Five on Impel Down. According to Mr.3, the Wolf Unit is locked there because when they were placed in level two, they devoured the other creatures. These Wolves hunt in packs and constantly wander through the prision, so it is very dangerous for the prisioners to encounter with them.

Appearance
The wolves have a thick, white fur, long tails, pointed ears and bumpy wave-shaped snouts that end up in strangely round-shaped coal black noses. Their eyes are large with black borders and on the inside there are several circles that, like a spiral, the first is small and is located in the center, surrounded by others who grow the more they are away from it. They are constantly seen with their tongues out, panting. Their lips are black with many sharp teeth, that are able to easily penetrate human skin and cause serious injuries thanks to their powerful jaws.