Moon Moon

Moon Moon is a companion wolf.

Source
Rare drop from Moonfang.

Pet Journal
Moonfang's cubs grow into massive, slavering, black-furred killing machines...except for Moon Moon.

Trivia

 * Moon Moon is named after a 2013 meme, based on a faulty "What's your werewolf name" chart, in which "moon" could feature as both first and last name. Since expanded on to include any picture of silly wolves.