You can go cheesy too with FURYFICATION.
I too like Hellboar.
I'd go with a spelling of "Hellebore" unless it's already taken. (It's an actual noun.)
Forvalaka
a species of were-leopard from the Black Company books by Glenn Cook
Well, heck, if we start bringing up words, names and places from good books, we could be here all day.
Direwolf
The Joinings
Ur-vile
Revelstone
Winterfell
......
Indigenous
Totally digging those book inspired ideas.
Direwolf is an active band. Don't know if they tour but they're pretty well known.
Winterfell's in use, but:
Mistwraith
Moonspawn (more accurately Moon's Spawn, but whatevah)
Panserbjørn
Steel Inquisitor