Ubuntu 15.10 Codename Announced: Wily Werewolf

The word ‘Wily‘ is used to describe someone who is skilled or adept, while a ‘werewolf‘ is a mythological creature has been popularised in fiction as a human who turns into a wolf on a full moon.
The Ubuntu 15.10 name has been announced, alongside details of a new Ubuntu Phone that aids Canonical’s plan for single device convergence.

Source: Ubuntu 15.10 Codename Announced (And a Whole Heap More)