Beastly:
* The Beast
* Wolf
* Fang
* Howler
* Shadow
* Shadowfang
* Moon Shadow
* Moonshadow
* Lupus
* Werewolf
Mythological:
* Lycan
* Lycanthrope
* Man-Wolf
* Wolfman
* The Wendigo
Fearsome:
* Razor
* Claw
* Ripper
* Terror
* Nightmare
Humorous:
* Hairy Harry
* Fuzzy
* Full Moon Freddy
* The Howlin' Hound
* Woof-a-licious
Other:
* The Hunter
* The Wanderer
* The Nightwalker
The best nickname for a werewolf will depend on the character and their personality. You can choose a nickname that is:
* Descriptive of their powers: "The Ripper"
* Reflective of their appearance: "Fuzzy"
* Symbolic of their nature: "The Wanderer"
* Unique and memorable: "Moon Shadow"
Ultimately, the choice is yours!