Werewolf

A Werewolf is an extremely aggresive hostile mob that spawns at night in forest and taiga biomes though they only spawn during a full moon. A werewolf can also be created when a wolf is killed by a charged creeper.

Appearance
Werewolves have the same pants and shoes as Steve but have a wolf's head and body. The body is a retexture of Steve's. Werewolves are 3 blocks tall.

Behavior
Werewolves attack on sight and can only be damaged by an iron sword. Werewolves have 40 hearts and deal 4 hearts of damage. During the day, werewolves will turn into villagers, but when night comes the villager starts taking damage and turns into a werewolf. They are capable of attacking villages and turning the villagers into werewolves. Randomly kills cows.